The variants I have added are:

Chromatic

Chaos

Classical

Crisis (defunct, Andy Schwarz' test variant)

Hundred 3.2

Sail Ho! (version 2)

South America 3.2 (4 player) - Click Here to Download South America - zip , Click Here to Download South America - binhex.

South American Supremacy (8 player) (outdated version!)- zip archive

Arab Diplomacy (8 player, Gulf War) - zip archive - View map- this variant is known as "Arab1" on USTR. Note: all of these variants except South America, SAS and Crisis are currently included with the Realpolitik distribution. If you do not have the current version, be sure to get it as it includes a number of fixes.

Enjoy. If you have suggestions for other variants to add, email me.