Iconator is a site where you can post icon, avatars, wallpapers, and away messages. It's not only good for that, but it is also good for finding them! If you do Iconator, let me know your username! if not, here is the link:
www.iconator.com
I am lalagirl101, though none of my good avatars are up right now. I am best at my wallpapers.
By the way, it's free!