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.
Specializes in California plein air impressionists.
http://www.hazougallery.com
Jim Lamb
Contemporary impressionistic plein air landscape painter.
http://www.jimlambstudio.com
John Modesitt
Showcases plein air impressionist paintings of landscapes in France and California.
http://www.americanimpressionist.net
Jordan and Chard Fine Art
Specializes in the plein air painting of the Newlyn and early St Ives Schools.
http://www.jordanandchard.com
Julia McKee
Featuring the impressionistic plein air oil paintings of Mckee and her vision of the Western United States.
http://www.juliamckee.com
Julie Houck Fine Art
Plein air painter based on Maui. Teaches plein air workshops on Maui and in France.
http://www.juliehouck.com/
Laguna Plein Air Painters Association (LPAPA)
Links the strong plein air movement of the early California painters to the present ones.
http://www.lpapa.org
Maria del Carmen Calvo
Oil paintings by a Spanish-born California plein air artist.
http://www.calvoart.com
Mark Callaghan
Contemporary plein air artist whose subjects include landscapes and cityscapes in the U.S. and Europe.
http://www.callaghanart.com
Mary K. Stahl
Featuring works on location in the San Francisco Bay area, landscapes, and still life paintings by the plein air landscape artist.
http://www.marystahl.com