Sorry to bump this up, but I wanted to show off two things I made using Paint.NET. By the way, thanks Bri for the link! I love this program, though it is a bit complicated. I just need ALOT more practice. Anyway, you can make animated GIF'S with it, and I gave it a try. The results:

Some little stick dude doing a handstand:






A forming breast cancer ribbon, this one kinda sucks as I did it really fast :

Hehe, thanks for letting me brag.