These are the results of various ongoing projects and one-off experiments; any time I end up with an interesting-looking map, I'll post it here.
Made with hexGIMP
A version of Central America, for a fantasy setting I'm working on.
The Falkland Islands looked like they needed the D&D treatment. I'm not sure where to go from here, though.
Unfinished map of the Eren Regions from Joel Rosenberg's Guardians of the Flame series, and the original (borrowed from slovotskys-laws.com):
The wilderness map from The Keep on the Borderlands, and the original:
Outdoor survival, and the original:
Made with other custom software
Experimenting with some tectonic plate fakery:
Testing L-systems for random dungeon generation:
A random wilderness, using the table from the AD&D Dungeon Master's Guide (tiles from AKS Hex Mapper):