Ok, this has little relevance to tweener, I do it just to show off :) Yet, some people asked how to use tweener for animation in the past, or how does it compare to animation package. Well, I did my best to allow Tweener to animate MD2 model in two lines of code: http://makc.coverthesky.com/FlashFX/ffx.php?id=19 Comes in Sandy and Alternativa3D flavor.