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.
LenlyonGallery
Site of galleries containing pencil drawings, pen and ink drawings, and black and white photography. Subject matter includes nudes, portraits, realism, and surrealism. http://www.lyongallery.com/
For people who are learning to draw, teaching drawing or want to enhance creativity, a theory and set of techniques with accompanying materials and courses.
