GIF Construction Set Pro represents the state of the art in GIF animation software. It will assemble your original animations effortlessly through its Animation Wizard, squeeze them down to as close to nothing as possible with its Supercompressor; create eyecatching banners and animated transitions; manage your GIF files; add transparency to existing graphics and a lot more.

Version 2.0.44 is shipping as of February, 2004.

http://www.mindworkshop.com/alchemy/gifcon.html