Game Engine Help

Okay, I am making a game, all is going well. I need to but an Avi clip (i can change the format if i have to) to play in the BGE. How do i do that? How do i put a movie clip in BGE?

http://wiki.blender.org/index.php/Dev:Source/GameEngine/2.49/VideoTexture

There is also a demo at the bottom of that page.

Good Luck.