If I have acomplex timeline animation with a series of shape and motion tweens, is it possible to export all the separate frames as a sequence of sprites in one huge PNG sheet?
There is a great jQuery plugin, called jBlitter which accepts such PNG spritesheets, and turns them into animated buttons or other UI elements.
You should be able to advance to each frame of the mc and add its pixels to a BitmapData by using its draw() method. At that point, you should be able to send its bytes to a server to be saved, but you'll have to search to figure out how to do that.
HTH;
Amy