Incidental terrain are those small bits of bush, rock outcroppings, and other features that serve to break up the look of a flat gaming table. The Battlefields and Warriors blog has some tips on creating battlefield incidentals. I really like what he has done and realize that I don’t have enough on my own tables.
Modeling
Modeling Template For Generic Cottage
Here’s a nice little template for building your own cottages for your role playing or miniature wargame.
Building A 15mm Truck
Terrain For Hippos has a photo tutorial on how to make a 15mm scale truck.
Modeling Snow And Ice
Here’s a good photo tutorial on modeling snow and ice. The key ingredient is something called Snow-Tex, which is available at craft stores and works a bit like spackle.