The Toy Soldiers Forever blog has a video on proper techniques for casting your own toy soldiers from pewter. He also suggests some cheap sources of the metal.
modeling
Precision Cutting Foam For Terrain Boards
The Terrain Tutor has a very clever method for cutting precise sizes for terrain boards.
Building A Dark Ages Frame House
The Man Cave has some tips on how he built a nice looking dark ages frame house.
Rust Texture Tutorial for Wargaming Terrain and Scratch Build Models
Here’s a tutorial on weathering and rust effects for your wargames terrain.