Iraqi Roads is a set of free wargames rules for playing games set during the recent unpleasantness in the Middle East. The site also includes links to paper soldiers that can be used in the game.
Thunderbolt and Lightning is a set of free WWII air combat rules.
The Great Game is a set of rules for a two player card game in which the Russians and British vie for dominance in Central Asia.
Contre Les Viets is a Vietnam variant of Arty Contliffe’s Crossfire. You need the original rules to play.
Matakishi’s Tea House has a photo tutorial on making a modular Egyptian tomb from painted balsa blocks. The effect is quite nice and the end result would work very well in ancient, as well as pulp miniatures games.