diff --git a/week4/community-contributions/c_extension_generator/README.md b/week4/community-contributions/c_extension_generator/README.md
index 92df278..54d2a7a 100644
--- a/week4/community-contributions/c_extension_generator/README.md
+++ b/week4/community-contributions/c_extension_generator/README.md
@@ -31,7 +31,7 @@ the original Python code.
 In this image, you can see the Gradio app dashboard whose main sections are
 described below.
 
-![Gradio app dashboard](gradio_dashboard.png)\
+![Gradio app dashboard](gradio_dashboard.jpg)\
 *Image: Gradio app dashboard with default example `hello world` code loaded.*
 *(compile output redacted for privacy)*
 
diff --git a/week4/community-contributions/c_extension_generator/gradio_dashboard.jpg b/week4/community-contributions/c_extension_generator/gradio_dashboard.jpg
new file mode 100644
index 0000000..7b07689
Binary files /dev/null and b/week4/community-contributions/c_extension_generator/gradio_dashboard.jpg differ