Clash On The Fringe is a set of pay-what-you-want rules for military space adventure. They’re designed for use with whatever figures you have.
Making Simple World War II Buildings
Matakishi has some instructions with photos for making World War II era buildings out of sheets of cork.
Lord of the Rings Dragon Rules
Wyrmworld has a well-thought out and complete set of rules for using dragons in Games Workshop’s Lord of the Rings Strategy Battle game.
D3 ECW Rules
A variant of the One-Hour Wargames rules, the D3 ECW rules use a combination of D3 (1,1,2,2,3,3) and D6 dice.
Making Ice Floe Terrain
Terrain Thralls has a photo tutorial on making terrain that looks like ice floes. They’re cleverly made from foam core, and is intended for Privateer Press’ Warmachine game, but I think it would be spectacular in a variety of fantasy settings. I can also envision a neat Frankenstein vs The Monster scenario.