As the quality and diversity of cardstock models increases, here’s a nice tutorial on making them.
Colorized Cornwall 1895
For Steampunk / VSF fans, here are some colorized photos of Cornwall in 1895.
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.