Yes, I've done quite a few GIF animations. Here are links to 3 the subjects of which fall within the purvue of these forums.

Hummingbird feeding:
http://www.fototime.com/DF2A0EB233368FC/orig.gif

Clouds over Long's Peak (RMNP):
http://www.fototime.com/74FA4AAEEFFC652/orig.gif

The chipmunk says 'no' to me:
http://www.fototime.com/997EE9C12B02549/orig.gif

These are simple fun ones. I've done studio shots of rotating objects with as many as 13-14 views. They're not hard and the are a lot of fun.