diff --git a/.gitignore b/.gitignore
index 543f45a..40929c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-conf/config.local.php
+conf/*local*
 plugin/local/*.json
diff --git a/conf/config.php b/conf/config.php
index ec55d30..36e1205 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -33,6 +33,7 @@
 $CONFIG['showload'] = true;
 $CONFIG['showmem'] = false;
 $CONFIG['showtime'] = false;
+$CONFIG['perline'] = 1;
 
 $CONFIG['term'] = array(
 	'2hour'	 => 3600 * 2,
diff --git a/graph.php b/graph.php
index f1696fa..46bcb94 100644
--- a/graph.php
+++ b/graph.php
@@ -72,6 +72,10 @@
 		require_once 'type/GenericIO.class.php';
 		$obj = new Type_GenericIO($CONFIG, GET());
 		break;
+	case 'filled':
+		require_once 'type/GenericFilled.class.php';
+		$obj = new Type_GenericFilled($CONFIG, GET());
+		break;
 	case 'uptime':
 		require_once 'type/Uptime.class.php';
 		$obj = new Type_Uptime($CONFIG, GET());
diff --git a/inc/html.inc.php b/inc/html.inc.php
index 7312601..7d016a8 100644
--- a/inc/html.inc.php
+++ b/inc/html.inc.php
@@ -122,6 +122,7 @@ function html_end($footer = false) {
 EOT;
 	}
 	if ($CONFIG['graph_type'] == 'canvas') {
+		$html_weburl = htmlentities($CONFIG['weburl']);
 		if ($CONFIG['rrd_fetch_method'] == 'async') {
 			$js_async = 'true';
 		} else {
@@ -229,17 +230,35 @@ function host_summary($cat, $hosts) {
 
 	$row_style = array(0 => "even", 1 => "odd");
 	$host_counter = 0;
+	$line_counter = 0;
+
+    if($CONFIG['perline']) {
+        printf('<div class="divTable">');
+    }
 
 	foreach($hosts as $host) {
-		$host_counter++;
 
-		printf('<div class="row %s">', $row_style[$host_counter % 2]);
-		printf('<label><a href="%shost.php?h=%s">%s</a></label>',
+        if($CONFIG['perline']) {
+            $foo = $host_counter % $CONFIG['perline'];
+            echo "<!--- $host_counter ".$CONFIG['perline']." $foo -->\n";
+            if($host_counter % $CONFIG['perline'] == 0) { 
+                printf('<div class="divRow %s">', $row_style[$line_counter % 2]);
+            } 
+        } else {
+            printf('<div class="row %s">', $row_style[$line_counter % 2]);
+        }
+
+
+		# printf('<label><a href="%shost.php?h=%s">%s</a></label>',
+		printf('<div class="divCell"><a href="%shost.php?h=%s">%s</a></div>',
 			htmlentities($CONFIG['weburl']),
 			urlencode($host),
 			htmlentities($host));
 
-		echo "<div class=\"hostinfo\">";
+
+        if ($CONFIG['showload'] || $CONFIG['showmem'] || $CONFIG['showtime']) {
+            echo "<div class=\"hostinfo\">";
+        }
 
 		if ($CONFIG['showload']) {
 			require_once 'type/Default.class.php';
@@ -307,8 +326,24 @@ function host_summary($cat, $hosts) {
 			}
 		}
 
-		print "</div></div>\n";
+        if($CONFIG['perline']) {
+            if(($host_counter % $CONFIG['perline'] ) == $CONFIG['perline'] - 1) { 
+                print "</div>\n";
+                $line_counter++;
+            } 
+            $host_counter++;
+        } else {
+            print "</div>\n";
+            $line_counter++;
+            if ($CONFIG['showload'] || $CONFIG['showmem'] || $CONFIG['showtime']) {
+                echo "</div>\n";
+            }
+        }
 	}
+    
+    if($CONFIG['perline']) {
+        printf('</div>'); 
+    }
 
 	echo "</div>\n";
 	echo "</fieldset>\n";
diff --git a/layout/style.css b/layout/style.css
index 768c0c6..40d451a 100644
--- a/layout/style.css
+++ b/layout/style.css
@@ -64,8 +64,8 @@ h2 {
 }
 
 a:link, a:visited, a:active {
-	text-decoration: none;
-	color: #222;
+	text-decoration: none; 
+	color: #222; 
 }
 
 a:hover {
@@ -78,11 +78,11 @@ a:hover {
 }
 
 .row.even {
-/*	background: #eeeeee; */
+/*	background: #aaaaaa;   */
 }
 
 .row.odd {
-/*	background: #cccccc; */
+/*	background: #cccccc; */ 
 }
 
 .row label {
@@ -161,7 +161,7 @@ hr {
 
 .selected:link, .selected:visited, .selected:active {
 	font-style: italic;
-	color: #4D79B5;
+	color: #4D79B5; 
 }
 
 .time-range li {
@@ -194,7 +194,7 @@ legend {
 
 code {
 	font-family: Consolas,"Liberation Mono",Menlo,Courier,monospace;
-	background-color: rgba(0,0,0,0.1);
+	background-color: rgba(0,0,0,0.1); 
 	padding: 0 0.2em;
 }
 
@@ -202,3 +202,47 @@ code {
 	font-size: 0.7em;
 	opacity: 0.6;
 }
+
+.divCell {
+    float:left;/*fix for  buggy browsers*/
+    display:table-column;
+    width:20em; 
+/*    background-color:#ccc;  */
+}
+
+.divTable {
+    display:  table;
+    width:auto;
+    background-color:#fff;  
+/*    border:1px solid  #666666;  */
+    border-spacing:5px;/*cellspacing:poor IE support for  this*/
+    /* border-collapse:separate;*/
+}
+
+.divRow {
+    display:table-row;
+    width:auto;
+}
+
+.divRow:nth-of-type(odd) {
+        background: #ccc;
+} 
+
+.divRow label {
+    float: left;
+    width: 20em;
+}
+
+.divRow .hostinfo {
+    float: left;
+}
+
+.divRow .field {
+    float: left;
+    width: 3.4em;
+}
+
+.divRow .field.wide {
+    width: 8em;
+}
+
diff --git a/plugin/aggregation.json b/plugin/aggregation.json
new file mode 100644
index 0000000..f2e48dc
--- /dev/null
+++ b/plugin/aggregation.json
@@ -0,0 +1,43 @@
+{
+	"cpu": {
+		"title": "Total CPU usage on {{HOST}}",
+		"vertical": "Percent",
+		"rrdtool_opts": ["-u", "100"],
+		"type": "stacked",
+		"legend": {
+			"idle": {
+				"name": "Idle",
+				"color": "e8e8e8"
+			},
+			"nice": {
+				"name": "Nice",
+				"color": "00e000"
+			},
+			"user": {
+				"name": "User",
+				"color": "0000ff"
+			},
+			"wait": {
+				"name": "Wait-IO",
+				"color": "ffb000"
+			},
+			"system": {
+				"name": "System",
+				"color": "ff0000"
+			},
+			"softirq": {
+				"name": "SoftIRQ",
+				"color": "ff00ff"
+			},
+			"interrupt": {
+				"name": "IRQ",
+				"color": "a000a0"
+			},
+			"steal": {
+				"name": "Steal",
+				"color": "000000"
+			}
+		},
+		"legend_format": "%5.2lf"
+	}
+}
diff --git a/plugin/cpu.json b/plugin/cpu.json
index 6f74654..3c39345 100644
--- a/plugin/cpu.json
+++ b/plugin/cpu.json
@@ -2,7 +2,7 @@
 	"cpu": {
 		"title": "CPU-{{PI}} usage on {{HOST}}",
 		"vertical": "Jiffies",
-		"rrdtool_opts": ["-u", "100"],
+		"rrdtool_opts": ["-u","100","-r"],
 		"type": "stacked",
 		"legend": {
 			"idle": {
diff --git a/plugin/interface_lif.json b/plugin/interface_lif.json
new file mode 100644
index 0000000..e17ba95
--- /dev/null
+++ b/plugin/interface_lif.json
@@ -0,0 +1,51 @@
+{
+	"if_octets": {
+		"title": "Interface Traffic ({{PI}}) on {{HOST}}",
+		"vertical": "{{ND}} per second",
+		"type": "io",
+		"legend": {
+			"rx": {
+				"name": "Receive",
+				"color": "0000ff"
+			},
+			"tx": {
+				"name": "Transmit",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s",
+		"datasize": true
+	},
+	"if_errors": {
+		"title": "Interface Errors ({{PI}}) on {{HOST}}",
+		"vertical": "Errors per second",
+		"type": "io",
+		"legend": {
+			"rx": {
+				"name": "Receive",
+				"color": "0000ff"
+			},
+			"tx": {
+				"name": "Transmit",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s"
+	},
+	"if_packets": {
+		"title": "Interface Packets ({{PI}}) on {{HOST}}",
+		"vertical": "Packets per second",
+		"type": "io",
+		"legend": {
+			"rx": {
+				"name": "Receive",
+				"color": "0000ff"
+			},
+			"tx": {
+				"name": "Transmit",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s"
+	}
+}
diff --git a/plugin/interface_port.json b/plugin/interface_port.json
new file mode 100644
index 0000000..e17ba95
--- /dev/null
+++ b/plugin/interface_port.json
@@ -0,0 +1,51 @@
+{
+	"if_octets": {
+		"title": "Interface Traffic ({{PI}}) on {{HOST}}",
+		"vertical": "{{ND}} per second",
+		"type": "io",
+		"legend": {
+			"rx": {
+				"name": "Receive",
+				"color": "0000ff"
+			},
+			"tx": {
+				"name": "Transmit",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s",
+		"datasize": true
+	},
+	"if_errors": {
+		"title": "Interface Errors ({{PI}}) on {{HOST}}",
+		"vertical": "Errors per second",
+		"type": "io",
+		"legend": {
+			"rx": {
+				"name": "Receive",
+				"color": "0000ff"
+			},
+			"tx": {
+				"name": "Transmit",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s"
+	},
+	"if_packets": {
+		"title": "Interface Packets ({{PI}}) on {{HOST}}",
+		"vertical": "Packets per second",
+		"type": "io",
+		"legend": {
+			"rx": {
+				"name": "Receive",
+				"color": "0000ff"
+			},
+			"tx": {
+				"name": "Transmit",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s"
+	}
+}
diff --git a/plugin/iops_vol.json b/plugin/iops_vol.json
new file mode 100644
index 0000000..10aac8a
--- /dev/null
+++ b/plugin/iops_vol.json
@@ -0,0 +1,18 @@
+{
+	"disk_ops": {
+		"title": "Disk Operations ({{PI}}) on {{HOST}}",
+		"vertical": "Ops per second",
+		"type": "io",
+		"legend": {
+			"read": {
+				"name": "Read",
+				"color": "0000ff"
+			},
+			"write": {
+				"name": "Write",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s"
+	}
+}
diff --git a/plugin/latency_vol.json b/plugin/latency_vol.json
new file mode 100644
index 0000000..694c76a
--- /dev/null
+++ b/plugin/latency_vol.json
@@ -0,0 +1,27 @@
+{
+	"netapp_vol_latency": {
+		"title": "Disk time per operation ({{PI}}) on {{HOST}}",
+		"vertical": "Avg. Time/Op",
+		"type": "io",
+		"legend": {
+			"read_ops": {
+				"name": "Read",
+				"color": "0000ff"
+			},
+			"write_ops": {
+				"name": "Write",
+				"color": "00b000"
+			},
+			"read_latency": {
+				"name": "Read Latency",
+				"color": "00b0aa"
+			},
+			"write_latency": {
+				"name": "Write Latency",
+				"color": "00b0dd"
+			}
+		},
+		"legend_format": "%5.1lf%ss",
+		"scale": 0.001
+	}
+}
diff --git a/plugin/memory.json b/plugin/memory.json
index f495b04..93c8576 100644
--- a/plugin/memory.json
+++ b/plugin/memory.json
@@ -8,6 +8,13 @@
 				"name": "Free",
 				"color": "00e000"
 			},
+			"used": {
+				"name": "Used",
+				"color": "ff0000"
+            },
+            "kernel": {
+                "name": "Kernel"
+            },
 			"inactive": {
 				"name": "Inactive",
 				"color": "00b000"
@@ -20,6 +27,10 @@
 				"name": "Cache",
 				"color": "0000ff"
 			},
+			"arc": {
+				"name": "ARC Cache",
+				"color": "0000ff"
+			},
 			"buffered": {
 				"name": "Buffered",
 				"color": "ffb000"
@@ -40,6 +51,14 @@
 				"name": "Active",
 				"color": "ff00ff"
 			},
+			"unusable": {
+				"name": "Unusable",
+				"color": "00b000"
+			},
+			"locked": {
+				"name": "Locked",
+				"color": "ff00ff"
+			},
 			"wired": {
 				"name": "Wired",
 				"color": "ff0000"
diff --git a/plugin/netlink.json b/plugin/netlink.json
index 51c1d9d..2bf5400 100644
--- a/plugin/netlink.json
+++ b/plugin/netlink.json
@@ -27,7 +27,7 @@
 		"legend_format": "%5.1lf%s"
 	},
 	"if_errors": {
-		"title": "Interface Errors ({{PI}}) on {{HOST}}",
+		"title": "Errors ({{PI}}) on {{HOST}}",
 		"vertical": "Errors/s",
 		"type": "io",
 		"legend": {
@@ -55,7 +55,7 @@
 		"legend_format": "%5.1lf%s"
 	},
 	"if_octets": {
-		"title": "Interface Traffic ({{PI}}) on {{HOST}}",
+		"title": "Traffic ({{PI}}) on {{HOST}}",
 		"vertical": "{{ND}}/second",
 		"type": "io",
 		"legend": {
@@ -72,7 +72,7 @@
 		"datasize": true
 	},
 	"if_packets": {
-		"title": "Interface Packets ({{PI}}) on {{HOST}}",
+		"title": "Packets ({{PI}}) on {{HOST}}",
 		"vertical": "Packets/s",
 		"type": "io",
 		"legend": {
@@ -88,7 +88,7 @@
 		"legend_format": "%5.1lf%s"
 	},
 	"if_rx_errors": {
-		"title": "Interface receive errors ({{PI}}) on {{HOST}}",
+		"title": "Receive errors ({{PI}}) on {{HOST}}",
 		"vertical": "Errors/s",
 		"type": "stacked",
 		"legend": {
@@ -120,7 +120,7 @@
 		"legend_format": "%5.1lf%s"
 	},
 	"if_tx_errors": {
-		"title": "Interface transmit errors ({{PI}}) on {{HOST}}",
+		"title": "Transmit errors ({{PI}}) on {{HOST}}",
 		"vertical": "Errors/s",
 		"type": "stacked",
 		"legend": {
diff --git a/plugin/traffic_vol.json b/plugin/traffic_vol.json
new file mode 100644
index 0000000..b51b304
--- /dev/null
+++ b/plugin/traffic_vol.json
@@ -0,0 +1,18 @@
+{
+	"disk_octets": {
+		"title": "Disk Traffic ({{PI}}) on {{HOST}}",
+		"vertical": "Bytes per second",
+		"type": "io",
+		"legend": {
+			"read": {
+				"name": "Read",
+				"color": "0000ff"
+			},
+			"write": {
+				"name": "Write",
+				"color": "00b000"
+			}
+		},
+		"legend_format": "%5.1lf%s"
+	}
+}
diff --git a/plugin/zfs_arc.json b/plugin/zfs_arc.json
new file mode 100644
index 0000000..f58e759
--- /dev/null
+++ b/plugin/zfs_arc.json
@@ -0,0 +1,26 @@
+{
+    "cache_size": {
+        "title": "ARC Usage on {{HOST}}",
+        "vertical": "Bytes",
+        "type": "filled",
+        "legend": {
+            "c": {
+                "name": "Target"
+            },
+            "arc": {
+                "name": "Cur Size"
+            },
+            "c_min": {
+                "name": "Min"
+            },
+            "c_max": {
+                "name": "Max"
+            },
+            "L2": {
+                "name": "L2 Size"
+            }
+        },
+        "legend_format": "%5.0lf%sB",
+        "base": "1024"
+    }
+}
diff --git a/plugin/zfs_arc.php b/plugin/zfs_arc.php
new file mode 100644
index 0000000..d066b42
--- /dev/null
+++ b/plugin/zfs_arc.php
@@ -0,0 +1,99 @@
+<?php
+# Collectd zfs_arc plugin
+
+require_once 'conf/common.inc.php';
+require_once 'type/Default.class.php';
+require_once 'inc/collectd.inc.php';
+
+## LAYOUT
+# zfs_arc/
+# zfs_arc/arc_counts-hits.rrd
+# zfs_arc/arc_counts-misses.rrd
+# zfs_arc/arc_l2_bytes.rrd
+# zfs_arc/arc_l2_size.rrd
+# zfs_arc/arc_ratio-L1.rrd
+# zfs_arc/arc_ratio-L2.rrd
+# zfs_arc/arc_size.rrd
+
+$obj = new Type_Default($CONFIG);
+$obj->rrd_format = '%5.1lf%s';
+
+switch($obj->args['type']) {
+	case 'arc_counts':
+		$obj->data_sources = array(
+			'demand_data',
+			'demand_metadata',
+			'prefetch_data',
+			'prefetch_metadata',
+		);
+		$obj->colors = array(
+			'hits-demand_data' => 'ff0000',
+			'misses-demand_data' => '880000',
+			'hits-demand_metadata' => '00ff00',
+			'misses-demand_metadata' => '00aa00',
+			'hits-prefetch_data' => '0000ff',
+			'misses-prefetch_data' => '00f0f0',
+			'hits-prefetch_metadata' => 'ff00ff',
+			'misses-prefetch_metadata' => '888800',
+		);
+		$obj->ds_names = array(
+			'hits-demand_data' => 'data hits',
+			'misses-demand_data' => 'metadata misses',
+			'hits-demand_metadata' => 'metadata hits',
+			'misses-demand_metadata' => 'metadata misses',
+			'hits-prefetch_data' => 'prefetch data hits',
+			'misses-prefetch_data' => 'prefetch data misses',
+			'hits-prefetch_metadata' => 'prefetch metadata hits',
+			'misses-prefetch_metadata' => 'prefetch metadata misses',
+		);
+		$obj->rrd_title = 'arc counts';
+		$obj->rrd_vertical = 'count';
+		break;
+	case 'cache_size':
+#		$obj->data_sources = array('current','target','minlimit','maxlimit');
+#		$obj->order = array(
+#			'current',
+#			'target',
+#			'minlimit',
+#			'maxlimit',
+#		);
+		$obj->rrd_title = 'Arc size';
+		$obj->rrd_vertical = 'bytes';
+		break;
+	case 'arc_l2_bytes':
+		$obj->data_sources = array(
+			'write',
+			'read',
+		);
+		$obj->ds_names = array(
+			'write' => 'Write',
+			'read'  => 'Read',
+		);
+		$obj->colors = array(
+			'write' => 'ff0000',
+			'read'  => '0000ff',
+		);
+		$obj->rrd_title = 'Arc L2 bytes';
+		$obj->rrd_vertical = 'bytes';
+		break;
+	case 'arc_l2_size':
+		$obj->data_sources = array(
+			'value',
+		);
+		$obj->ds_names = array(
+			'value'   => 'Bytes',
+		);
+		$obj->colors = array(
+			'value' => '0000ff',
+		);
+		$obj->rrd_title = 'Arc L2 size';
+		$obj->rrd_vertical = 'bytes';
+		break;
+	case 'arc_ratio':
+		$obj->data_sources = array('value');
+		$obj->rrd_title = 'Arc ratio';
+		$obj->rrd_vertical = 'ratio';
+		break;
+}
+collectd_flush($obj->identifiers);
+$obj->rrd_graph();
diff --git a/type/Base.class.php b/type/Base.class.php
index 4b23eaf..a769d60 100644
--- a/type/Base.class.php
+++ b/type/Base.class.php
@@ -105,7 +105,7 @@ function parse_get($_get) {
 			'type' => isset($_get['t']) ? $_get['t'] : null,
 			'tinstance' => isset($_get['ti']) ? $_get['ti'] : null,
 		);
-		$this->seconds = isset($_get['s']) ? $_get['s'] : null;
+        $this->seconds = isset($_get['s']) ? $_get['s'] : null;
 	}
 
 	function validate_color($color) {
@@ -172,7 +172,6 @@ function rrd_files() {
 			$instance = strpos($basename,'-')
 				? substr($basename, strpos($basename,'-') + 1)
 				: 'value';
-
 			$this->tinstances[] = $instance;
 			$this->files[$instance] = $filename;
 			$this->identifiers[$instance] = preg_replace(
@@ -193,8 +192,8 @@ function get_filenames() {
 			strlen($this->args['pinstance']) ? '-' : '', $this->args['pinstance'],
 			$this->args['type'],
 			strlen($this->args['tinstance']) ? '-' : '', $this->args['tinstance']
-		);
-		$identifier = preg_replace("/([*?[])/", '[$1]', $identifier);
+        );
+        $identifier = preg_replace("/([*?[])/", '[$1]', $identifier);
 
 		$wildcard = strlen($this->args['tinstance']) ? '.' : '[-.]*';
 
@@ -329,7 +328,7 @@ function rrd_get_sources() {
 			if(is_array($this->data_sources) && count($this->data_sources)==1 && in_array('value', $this->data_sources)) {
 				# use tinstances as sources
 				$sources = $this->tinstances;
-			} else {
+            } else {
 				# use data_sources as sources
 				$sources = $this->data_sources;
 			}
diff --git a/type/GenericFilled.class.php b/type/GenericFilled.class.php
new file mode 100644
index 0000000..09c2951
--- /dev/null
+++ b/type/GenericFilled.class.php
@@ -0,0 +1,78 @@
+<?php
+
+require_once 'Base.class.php';
+
+class Type_GenericFilled extends Type_Base {
+	
+	function rrd_gen_graph() {
+		$rrdgraph = $this->rrd_options();
+
+		$sources = $this->rrd_get_sources();
+
+		$raw = null;
+		if ($this->scale)
+			$raw = '_raw';
+		$i=0;
+		foreach ($this->tinstances as $tinstance) {
+			foreach ($this->data_sources as $ds) {
+				$rrdgraph[] = sprintf('DEF:min_%s%s=%s:%s:MIN', crc32hex($sources[$i]), $raw, $this->parse_filename($this->files[$tinstance]), $ds);
+				$rrdgraph[] = sprintf('DEF:avg_%s_raw=%s:%s:AVERAGE', crc32hex($sources[$i]), $this->parse_filename($this->files[$tinstance]), $ds);
+				$rrdgraph[] = sprintf('DEF:max_%s%s=%s:%s:MAX', crc32hex($sources[$i]), $raw, $this->parse_filename($this->files[$tinstance]), $ds);
+				$i++;
+			}
+		}
+		if ($this->scale) {
+			$i=0;
+			foreach ($this->tinstances as $tinstance) {
+				foreach ($this->data_sources as $ds) {
+					$rrdgraph[] = sprintf('CDEF:min_%s=min_%1$s_raw,%s,*', crc32hex($sources[$i]), $this->scale);
+					$rrdgraph[] = sprintf('CDEF:avg_%s=avg_%1$s_raw,%s,*', crc32hex($sources[$i]), $this->scale);
+					$rrdgraph[] = sprintf('CDEF:max_%s=max_%1$s_raw,%s,*', crc32hex($sources[$i]), $this->scale);
+					if ($i == 1)
+						$rrdgraph[] = sprintf('CDEF:avg_%s_neg=avg_%1$s_raw,%s%s,*', crc32hex($sources[$i]), $this->negative_io ? '-' : '', $this->scale);
+					if ($this->percentile)
+						$rrdgraph[] = sprintf('VDEF:pct_%1$s=avg_%1$s,%2$s,PERCENT', crc32hex($sources[$i]), $this->percentile);
+					$i++;
+				}
+			}
+		}
+
+		$rrdgraph[] = sprintf('CDEF:overlap=avg_%s,avg_%s_neg,LT,avg_%1$s,avg_%2$s_neg,IF',
+						crc32hex($sources[0]), crc32hex($sources[1]));
+
+		$i = 0;
+		foreach($sources as $source) {
+			$rrdgraph[] = sprintf('AREA:avg_%s%s#%s', crc32hex($source), $i == 1 ? '_neg' : '', $this->get_faded_color($this->colors[$source]));
+			$i++;
+		}
+
+		$rrdgraph[] = sprintf('AREA:overlap#%s',
+			$this->get_faded_color(
+				$this->get_faded_color($this->colors[$sources[0]]),
+				$this->get_faded_color($this->colors[$sources[1]])
+			)
+		);
+
+		$i = 0;
+		foreach($sources as $source) {
+			$legend = empty($this->legend[$source]) ? $source : $this->legend[$source];
+			$rrdgraph[] = sprintf('LINE1:avg_%s%s#%s:%s', crc32hex($source), $i == 1 ? '_neg' : '', $this->colors[$source], $this->rrd_escape($legend));
+			$rrdgraph[] = sprintf('GPRINT:min_%s:MIN:%s Min,', crc32hex($source), $this->rrd_format);
+			$rrdgraph[] = sprintf('GPRINT:avg_%s:AVERAGE:%s Avg,', crc32hex($source), $this->rrd_format);
+			$rrdgraph[] = sprintf('GPRINT:max_%s:MAX:%s Max,', crc32hex($source), $this->rrd_format);
+			$rrdgraph[] = sprintf('GPRINT:avg_%s:LAST:%s Last\l', crc32hex($source), $this->rrd_format);
+			$i++;
+		}
+
+		if ($this->percentile) {
+			$rrdgraph[] = 'COMMENT: \l';
+			foreach($sources as $source) {
+				$legend = empty($this->legend[$source]) ? $source : $this->legend[$source];
+				$rrdgraph[] = sprintf('HRULE:pct_%s#%s:%sth Percentile %s', crc32hex($source), $this->get_faded_color($this->colors[$source], '000000', 0.6), $this->percentile, $this->rrd_escape($legend));
+				$rrdgraph[] = sprintf('GPRINT:pct_%s:%s\l', crc32hex($source), $this->rrd_format);
+			}
+		}
+
+		return $rrdgraph;
+	}
+}