Genet Models offers two free paper models for starfighters and a model of an orbital missile gunboat.
Blaze of Glory Wild West Skirmish Rules
Blaze of Glory is a set of free wargames rules for Wild West skirmishes.
Making Movement Trays
Grimsby Wargaming has a nice illustrated post on making movement trays for your ancients games.
Jungle Hut Paper Model
For your jungle games, here’s a paper hut model.
Converting 25mm Paper Figures To 6mm Paper Figures
Squirmydad has a tutorial on converting 25mm paper figures to 6mm paper figures suitable for mounting on pennies. He superimposes the original figures on a colored circle that can be folded and glued to pennies. Using Photoshop, he shows you how to adjust the DPI, scale, and add the background and base. It’s very good, and I’m going to try the same thing in Corel PhotoPaint.