I announced the plugin this morning, but I’ve been coding like crazy on it tonight, and it’s now way cooler than it was this morning. So I present you: blog icons 1.0.
Update: the functionality of this plugin is now part of WordPress core!
You can now upload a favicon or apple touch icon in the backend, and, as a new feature, you can also upload & add an image to your RSS feed with this plugin now! Check out the looks of that in Firefox:
On top of that, it will autodetect your favicon if you have one, and set it correctly in your Atom feeds!
Check out the cool backend: