Here's a thread that has a little help on it -
http://www.yorkietalk.com/forums/showthread.php?t=36477
it's HARD to step someone thru it not knowing what program they're using. When I taught myself 3 years ago - I just did searches on the net typing "Animation" and Layering Pictures...& including the program I have. There is way more help sites now then there was then
my searches looked like this "
Animation in Photo Shop Elements"