WebPainter for Mac

From Totally Hip Technologies Inc.:

Tool for creating professional web animation and graphics with ease. WebPainter's ease-of-use and unique cel animation process creates the smallest, high-quality GIF animation, QuickTime movies, JPEGs and GIF files in the fewest possible steps. By combining bitmap and vector graphic tools, sophisticated image layering features, SMPTE special effects, transitions, image filters, and powerful export and optimization features, WebPainter allows you to quickly create professional animation and graphics for your corporate or personal Web site.