Basic Photoshop Painting Techniques for Technical Illustrations
http://www.photoshopsupport.com/tutorials/kh/painting-techniques.html

Hulsey, Kevin
Kevin Hulsey Illustration
2006

Abstract:

In this demonstration we will be approaching the entire illustration process in much the same way as was done before Photoshop or any other computer graphics programs where created. In the non-digital world, you would start with an inked line drawing on illustration board.