TutsPlus - Digitally Painting Glamour Shots in Adobe Photoshop

In this course, you will learn the steps any artist can take to create a glamour portrait in Adobe Photoshop, from sketch/concepts to final production. We will be discussing, choosing and setting up your reference, understanding how light works on the skin, and seeing how to bring color into our paintings. We will also cover using brushes, and how to adjust them on the fly while building texture, using basic strokes and just a few brushes.

http://design.tutsplus.com/courses/digitally-painting-glamour-shots-in-adobe-photoshop