me neither. i would try but need some advice what's good on freeware..
(
maggenspies mayhaps,
Mon 15 Aug 2011, 22:50,
archived)
I use MS Gif Animator, which is free but not particularly good - it works but any optimising you have to do by hand.
I've heard the GIMP does animated GIFs too but not that intuitive to learn.

(
Rapitinui get in the cage and I'll give you a treat,
Mon 15 Aug 2011, 23:40,
archived)