StoreArtist.com is an extensive arts web directory related to painter, thematic art, design arts, candles, abstract, realism, animal art, graphic designers and paranormal art.
ArtMagick.com
Features primarily obscure pre-raphaelite or symbolist artists from the 19th and 20th centuries, includes images and biographies.
http://www.artmagick.com/
Life of an Artist
Biographies and galleries of renaissance artists taken from Giorgio Vasari's 'The Lives of the Artists.
http://www.artist-biography.info/