The Tabletop Terrain site has a little, but useful article on making movement trays for your figures. This is particularly useful for games like Warhammer Ancients and the new Lord of the Rings big battle game, where large numbers of individual figures are maneuvered about.
Modeling
Elven Autumn House
Terragenesis has an illustrated article on the construction of a beautiful elven house for 28mm gaming.
Making Wooden Crates
Terragenesis has a good illustrated article on making wooden crates for 25mm / 28mm gaming.
Making Miniatures With Shrinky Dinks
Make magazine (I subscribe — it’s one of the coolest magazines ever) has a blog post on making miniatures out of Shrinky Dinks.
Making A Rustic Village
Terrain Thralls has an instructive illustrated article on building a rustic village of little round huts.