Fire Animation

I want fire in my game and want to animate it to look like its real fire (moving). Just wondering before I try to create it with pictures if anyone has tried creating a fire animation that i could maybe use?
If not then ill have to start trying to create it.
If not then ill have to start trying to create it.
Comments
JCFord
http://gamesalad.com/game/play/51678
It's a series of animate frames for the flame. Might Help :-O