Every site is a canvas in someway
Genreal art
Lots of stuff here, trippy :3Comics
Slice of life romantic comidy w internet refs Cool dudes teach ya how to be coolWebshows
Games/Puzzels
The website of Mostly short games, very nice art and music too.
Graphics/Resources
Lots of gifs
badges
DividersBlinkies
buttons
favicons
Nuko/decomail emoticons archive
Stamps
more gifs
Make blinkies
More Badges or Buttons BackgroundsBackgrounds and texturez, amazing 3d art ! :D