Originally Posted by marco pedrana
I actually use the PC DOS version of Deluxe Paint II Enhanced. It works fine under Windows XP although I sometimes have to terminate the task to close it. I was able to find it as "abandonware" on the web.
I also liked ArtGem
but it is discontinued shareware so you'd have to find a reg code to use it after 30 days.
Haven't tried Cosmigo Pro Motion
but it looks very DPainty, although it isn't free.
I don't have specific recommendations for IFF/PC conversion except ULEAD has a GIF Animator that features a color cycling utility which I think they must have designed for converting cycled IFF pics. It ships with PhotoImpact which is like a poor man's PhotoShop.