JustArtist.com lists great resources covering many topics related to artist information, computer graphics, craft, egg tempera, landscapes, museums, paint, oils painting, posters & prints, watercolors.
Theispot.com
The most visited illustration site on the web. Browse the work of the world's best commercial illustrators and find the right illustration. http://www.stock-illustration-portfolios.com/
Exhibitions, traveling shows, career guidance, art schools, professional organizations, award winners, history of the society, and information about the Museum of American Illustration.
