For Steampunk / VSF fans, here are some colorized photos of Cornwall in 1895.
The Miniature Wargaming Editor
Fallschirmjager Camouflage Painting Tutorial
sixtwentyeight blog has a tutorial on painting fallschirmjager camouflage.
Camouflage Painting Technique
Santa Cruz Wargamer has a tutorial on painting camouflage on a Tau vehicle.
Making Smoke Markers
Take the High Ground has a photo tutorial on making some impressive looking smoke markers.