You might find the following websites us

http://smarthistory.org/An incredible art history web site full of videos, images and facts:

http://www.visual-arts-cork.com/index.htm

http://www.visual-arts-cork.com/irish-art.htm

http://www.wga.hu/index1.html

http://www.metmuseum.org/toah/

http://www.artchive.com/

http://www.artic.edu/aic/collections/