Pulp Places offers a free guide with techniques and tips for cardstock and foam board modeling. The author writes that the free publication collects tips from other modelers, as well as capitalizing on his own mistakes.
modeling
Thatching Model Cottages
Here’s a tutorial on making thatched roofs on model cottages.
Wooden Warriors
The Wooden Warriors Blog has tutorials on making soldiers from bits of craft woods.
Making A Cave Tomb
Terragenesis has a photo tutorial on making a cave system. It’d be good for a cave, a mine, a tomb or a hobbit hole.