chiaroscuro:

Chiaroscuro Lesson
Read about Jeannie Mah,a brilliant young artist who uses chiaroscuro.
See a fantastic carving using chiaroscuro from the Lam Lee studios.
A poem by Carin Perron entitled "Chiaroscuro"
The Artchive, a *wonderful* site about famous artists throughout history and our time. (includes Gaugin, Rembrandt, Rousseau and all the others mentioned!)