It's good but needs some improvements...
But that are you allready avered of. So I am not going to comment that. ;) Instead I am going to post a link that can help you create animated objects.
Simply, you just convert a symbol to a movieclip. Where you can animate it using different sprites on each frame, or just import a .gif etc.
If the link wasn't much of help just google movieclip, and thy shall find what thy seek! ;)
Good Luck & Happy Animating