Update for September

Author: edrogers

README.md

@@ -42,9 +42,11 @@ Learn more about the MadPy Code of Conduct:
 https://github.com/madison-python/code-of-conduct
 
 
-# Sponsor
+# Python Warm-Up
 
-<center><img src="img/pytroll_light_big.png" alt="Sponsor Logo: Pytroll" width="500px"/></center>
+# Thank You to Our Sponsor
+
+## 🍕
 
 # Want more MadPy?
 
@@ -75,6 +77,6 @@ https://github.com/madison-python/code-of-conduct
 
 ### Talk to your employer about Sponsorship!
 
-<img src="https://madpy.com/static/images/2025-08-14-Setting-Python-Threading-Free-Social-Card-1536x1024.png" alt="Logo for the MadPy talk" />
+<img src="https://madpy.com/static/images/2025-09-11-A-Crash-Course-in-Causal-Inference-social-card-1536x1024.png" alt="Logo for the MadPy talk" />
 
 <!-- [[[end]]] -->

welcome.ipynb

@@ -61,6 +61,7 @@
    "cell_type": "markdown",
    "metadata": {
     "editable": true,
+    "jp-MarkdownHeadingCollapsed": true,
     "slideshow": {
      "slide_type": "slide"
     },
@@ -90,9 +91,23 @@
     "tags": []
    },
    "source": [
-    "# Sponsor\n",
+    "# Python Warm-Up"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "editable": true,
+    "jp-MarkdownHeadingCollapsed": true,
+    "slideshow": {
+     "slide_type": "slide"
+    },
+    "tags": []
+   },
+   "source": [
+    "# Thank You to Our Sponsor\n",
     "\n",
-    "<center><img src=\"img/pytroll_light_big.png\" alt=\"Sponsor Logo: Pytroll\" width=\"500px\"/></center>"
+    "## 🍕"
    ]
   },
   {
@@ -155,7 +170,7 @@
     "tags": []
    },
    "source": [
-    "<img src=\"https://madpy.com/static/images/2025-08-14-Setting-Python-Threading-Free-Social-Card-1536x1024.png\" alt=\"Logo for the MadPy talk\" />"
+    "<img src=\"https://madpy.com/static/images/2025-09-11-A-Crash-Course-in-Causal-Inference-social-card-1536x1024.png\" alt=\"Logo for the MadPy talk\" />"
    ]
   }
  ],