How to paint shadows
Pencil Shading Drawings | Pencil Drawing Shading Techniques Pictures
Art Projects for Kids: How to Shade 3D Objects. Good basic visual for how to keep light source consistent
value grid 2 four letter words one across, one down..compose and shade. mount on black paper.
How do I achieve different effects with pencil ~ stippling, stumbling, shading, smudging and cross hatching.
snowmen at night - good lesson for shading
exercises in shade and gradations
Fashion Illustration: Inspiration and Technique: Anna Kiper: 9780715336182: Amazon.com: Books