This tutorial is on casting prop coins from polymer, but on a more miniature wargaming theme, I see this as a great way to cast casualty and morale markers.
The Miniature Wargaming Editor
Oh, No, There Goes Tokyo
Oh, No, There Goes Tokyo is a free print and play game where each player defends his city block from the terrorizing Kaiju.
Send Not To Know
Send Not To Know is a set of free wargames rules for 15mm miniatures games set in the Spanish Civil War.
Making Trees Cheaply
Mitch’s Wargaming blog has a tutorial on making cheap trees for your wargaming table. It looks like a lot of work, but if you have more time than money …
Modeling A British Colonial Blockhouse Fort
Here’s a tutorial for modeling a wooden blockhouse / fort.