Here’s a photo tutorial on making some nice looking model wood stacks. Useful stuff for battlefields across the centuries.
Modeling
Making A Medieval Town Building
Here’s a nice photo essay on making a medieval town building.
Scratchbuilding Corrugated Roofing
Corrugated metal roofs are a ubiquitous feature in third world and post-apocalypse game settings. Here’s a nice tutorial on creating them.
Modeling Barbed Wire
The 20th Century Wargames blog has a great photo tutorial on making trench wire