What .mp4 are you talking about? All sound effects are pure .wav (sound playback depends on the codec used), and the music is .ogg :smile38:
In principle, the game engine can read other containers, but if these mods are intended for use by other users on their computers, it's best to stick to common standards! :smile29:
Added 7 minutes later
Here, take this :smile13:
I don't understand how you can recolor a model and insert it into the game in such a way that the original model is also preserved.