1. Add slide show capability
2. Add JPEG, Sun Raster, Portable PixMap, RIX image support.
3. Add configuration file capability, color selection capability,
and configuration editing window (colors, standard toggles, sort modes,
4. Add mouse support of some kind
5. Add support of RGB truecolor display types
The item is REAL low on the priority list, and may not be
6. Add full GIF89a support (at this point, should be little more than
expanding the viewer and image descriptors, and adding support in
the ShowPic function).