Fields of War is a set of free wargames rules for fantasy armies. In addition to the core rules, there also are a large number of interesting army lists.
fantasy
WWI Fantasy Rules
Orks and Dwarves in a WWI setting? Sure. Here’s a set of fantasy WWI Rules.
SAGA Rohan Battleboard
A SAGA Battleboard for the Riders of Rohan from the Lord of the Rings
SAGA Gondor Battleboard
Tabletop Deutschland blog has a nicely done battleboard for Lord of the Rings Gondor forces.