This video has some really nice ideas for making cheap terrain for Star Wars Legion and other science fiction games.
modeling
A Guide to Colour Theory & Colour Wheels For Wargames Terrain Builders
This is a really interesting video. In the visual arts, few things are as important as understanding color theory.
Home Made Static Grass Applicator
Dampf’s Modeling Page has an interesting post on how he MacGyvered a cheap electric fly swatter into a home made static grass applicator.
Turning Old CDs Into Scenic Monster Bases
Old CD are of use as bases for wargames terrain, and for larger figures, such as monsters. Here is a tutorial on turning old CDs into Scenic Monster Bases.