Now my approach to painting Orcs is a quick one as you need shed loads of them for an army, so I try to paint them quickly using washes and dark colours.
My first step is to undercoat them with Black from a spray can. I used Army Painter.
The rest of the figure was quickly blocked in using simple browns, I wasn't too bothered about shading as this would come later with a wash of Woodland Scenics black.
Woodland Scenic Black is great and has a nice consistency to it that acts much like an Ink and leaves a nice finish.