This post on making WWI aircraft from clothespins is not really a set of instructions, but the photos show clearly enough what has to be done. Brilliant bit of model making.
Star Wars Shootout
Star Wars Shootout is a set of free wargames rules for skirmish combat in the Star Wars universe.
How To Speedpaint Miniatures
Here’s a tutorial on speedpainting miniatures without losing quality.
Sails of Glory Solo Rules
Here are a set of interesting rules for solo play of the Sails of Glory game.
Model Trees and Silhouettes
Mark Veneman has a tutorial on making model trees. He also has a useful selection of tree silhouettes to help you shape your little wonders. While the instructions are aimed at model railroaders, they’re just as useful for miniature wargamers.