Painting

Inside Art: An Art History Game - Online game, which explores painting, art history, elements, and principles.
http://www.eduweb.com/insideart/

National Gallery of Art: Art Zone - Online tool for creating paintings, collages and wallovers. Also has a SwatchBox for mixing colors. [Requires Shockwave Player]
http://www.nga.gov/kids/zone/

Garden of Praise - Children Long Ago - Several paintings are presented with short stories discussing the paintings.
http://www.gardenofpraise.com/child.htm

Meet the Painters - A list of artists, short biographies, images and descriptions of their artworks.
http://www.edbydesign.com/art/artists.html

J-E Berger Foundation - A showcase of many art treasures and paintings, with essays on the artists and their world.
http://www.bergerfoundation.ch/

Pigments Through the Ages - An introduction and history of colors. Includes symbolism and uses in early paintings.
http://webexhibits.org/pigments/

Destination Modern Art - Interactive online gallery offers an educational tour of The Museum of Modern Art and the Contemporary Art Center. Learn about the artists, their techniques and try at home activities. [Flash 6 is required]
http://www.moma.org/destination/

Projectguggenheim - Provides training in traditional skills for young artists and artisans around the world.
http://www.projectguggenheim.org/

Mark Vinsel Gallery - Features samples of the artist's work and archives of the painter's journal.
http://www.vinsel.com/

Children Creativity School - Arts school founded by Elena Krasilnikova in Kiev, Ukraine. Includes gallery of student work.
http://www.kid-art.org/

Scituate - Docent Art for Children - An art appreciation program that shows various masterpieces and the artists who created them.
http://www.scituate.k12.ma.us/docent/

Lizzie Studios - Lizzie Street a Welsh artist aims to encourage younger people with artistic talent to become recognized. Includes slideshow of paintings.
http://www.freewebs.com/lizziestudios/

Starry Night - Critiques on Van Gogh's famous painting "The Starry Night" from 6th grade students at Renovo Elementary School, Pennsylvania.
http://www.kcsd.k12.pa.us/~projects/critic/student.html