There have been many threads on these and many other forums about using Bitmaps over Sprites/MovieClips in game development. I made my own tests quite a while back and I've been inspired by this blog post (http://www.8bitrocket.com/newsdispla...?newspage=7496) to now post mine online on my new blog:

http://blog.fatal-exception.co.uk/?p=4

These tests are very simple and are only meant for beginners. I hope that they are of some use