This should work: (Obviously just change the movie filename, to the one your using :o) )
Graphics3D 800,600 SetBuffer BackBuffer() Global camera = CreateCamera() PositionEntity camera,0,0,-5 Global cube = CreateCube() Global texture = CreateTexture(512,512) EntityTexture cube,texture Global movie = OpenMovie("movie.mpg") While Not KeyHit(1) TurnEntity cube,1,1,0 SetBuffer TextureBuffer(texture) DrawMovie movie,0,0 SetBuffer BackBuffer() UpdateWorld RenderWorld Flip Wend End