Design Posters at Clip Art 'n Crafts includes line art coloring pictures of motorcycles, mandalas, Celtic knots and complex geometric designs to color. There's even a VW bus coloring page you can download free to color.
Coloring Fun for Adults and Older Kids is a Squidoo lens featuring G-rated adult coloring pages and projects. Learn how to make a photograph into a coloring picture, or convert a coloring page into a craft pattern at this informative adult coloring hobby page.
The Best Coloring Ever for Adults and Kids web site is filled with hundreds of pages you can print and color, plus it features links to interactive coloring sites and fun-to-use online drawing sites. All links are preveiwed by the author to ensure they are all G-rated web pages.