In Flash, the BitmapData object can be used to store bitmaps in RAM, you can later draw them to a MovieClip using the beginBitmapFill() method.
How do you load an ex
Refering to the first post by cotton.
Actually each image is a bitmap so all you need to do is
bitmapData = event.target.content.bitmapData
instead of
bitmapData = Bitmap(LoaderInfo(event.target).content).bitmapData;