Steel Ships and Iron Hearts is a set of free wargames rules for pre-dreadnought naval combat. The rules set dates to 1982 and was played by the Olympic Wargaming league. Classic stuff.
The Miniature Wargaming Editor
Making Jungle Trees
The Wargame Terrain Blog has a photo tutorial on making jungle terrain.
Making Haunted Woods Bases For Your Miniatures
Here’s a tutorial on making a Haunted Woods base for your miniatures. THe video is aimed at a single base for a miniature, but I think the techniques could be extrapolated to more general base terrain.
Micro Rome Print and Play Game
Micro Rome is a free print and play board game in which a player tries to populate Rome and score 45 points before the Coliseum is built.
Medieval Mayhem Rules
Medieval Mayhem is a set of free wargames rules for medieval battles. The author writes:
Put your tin soldiers on the table and play a medieval battle for an evening’s entertainment. See your soldiers rush the enemy, fight or flee while you desperatly try to control them. Medieval Mayhem is a game where your soldiers have a will of their own.