Here’s some good advice on quickly building a relatively inexpensive wargames table.
Terrain Thralls has an illustrated tutorial on making an impressive Skull Cave terrain feature.
I have often looked at those cheap Christmas village buildings and thought that they would be great for tabletop wargaming — if only they didn’t have those piles of molded snow and Christmas decorations. Here’s an article about converting one of those pieces.
The solution to the snow piles is a head slapper: convert them to patches of moss with foam turf.
The DC 2150 Blog has an entry on making wire trees.
Carmens’ Fun Painty Time Blog has a tutorial on making bayonets for your miniatures