a movie(.avi) and all movie formats have different properties,
it would be very difficult(but I know makslane could do it.
![Smile :)](http://game-editor.com/forum/images/smilies/icon_smile.gif)
) to put the files in the right format for game development,
(you can use more than just a .gif you know.
![Very Happy :D](http://game-editor.com/forum/images/smilies/icon_biggrin.gif)
)
the movie files are better use for just movies.
but why exacly would you like to use a .avi or .mpeg?
(I am very confused about this.
![Sad :(](http://game-editor.com/forum/images/smilies/icon_sad.gif)
)