You may have stumbled across this site at one point or another if you actively follow Street Fighter 3, but it went offline a little while back, and just recently came online again.

Regardless, the Street Fighter 3 sprite site is back now. On the page you can find animated sprites for all of the characters, background images and some other nifty stuff.

If you're looking for a new animated avatar, or just want to look at some of the artwork from the game, this is an excellent place to do so.