Here’s a page with some good photos and nice advice on making shanty buildings.
Modeling
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.
Making Explosion Markers
Here’s a tutorial on making explosion markers.
Thatched Roof Hut Model
Tamiya offers a free paper model of a thatched roof hut.