I'm sure maybe a few artsy felines around here have heard of Flockmod? It's just a friendly drawing site, and it take like 2 minutes to get the hang of, but its fun, and I like using it because I can draw with one other all on the same canvas!
I'll be on there for a while, and there's a chat incase you need me to help, so if you feel like drawing, youre welcome.
http://flockmod.com/Newton'sPlace