I can't give you an example but basically all you can do is create a gif. So you would have to edit it frame by frame and there are NO features to do it any other way. Infact there are probably very few extra animation features if any in CS as against elements.

In elements see if you can click "windows>Animation...." This should bring up a pallet of a list of frames but obviously there will only be one there in the first place. There are plenty of tutorials online just search for "creating animated gif in Photoshop" in google.

hope this helps.