Game designer and gamer extraordinaire John Hill (Squad Leader, Johnny Reb) once told me that “nature recreates itself in miniature” in response to a request for advice on terrain building. This advice for modeling with Birch Tree Seed Pods is a great example.
modeling
Scratch Built Shanty Buildings
Here’s a page with some good photos and nice advice on making shanty buildings.
Making Bocage Tutorials
Here are a series of videos on making bocage hedgerows:
Making A Cheap 15mm Spanish Village
Lead Gardens offers a tutorial on making cheap 15mm spanish villages.