Art as Fashion
Selling umbrellas, tote bags and eyeglass cases with prints by Monet, Renoir, Degas, and Raphael. They also have Winnie the Pooh and 'I Love Lucy' designs.
http://mip.dezines.com/

artistgifts.com
Features a palette clock, palette watch and jewelry with an art theme. Also offers some art supplies for children.
http://www.artistgifts.com/

Global Street Arts
Supplier of Vincent van Gogh themed t-shirts and silk scarves. Also offers original etchings. Located in Amsterdam, The Netherlands.
http://www.xs4all.nl/~global/

Image Exchange
Offering a wide array of art themed posters, mousepads, screensavers and other art related items. Product data base is searchable by artist.
http://imageexchange.com

Music City Cards and Gifts
Specialties include Cow Parade figurines, Snoopy and Charlie Brown figurines, Betty Boop gift collectibles, Garfield and Big Pig Invasion figurines, and related mugs, magnets, and books.
http://www.musiccitycardsandgifts.com/

Projects
Architect designed products and housewares by Alessi, Andy Warhol, and other designers.
http://www.projects-us.com/

The Killen Collection
Features wildlife and dog artwork by Jim Killen on licensed products including giftware, home furnishings, and apparel.
http://www.killencollection.com/

Van Gogh Community
Features a variety of painting themed items. Also offers an online community based on the artist including a mailing list, chat, and discussion boards.
http://www.vangogh.com/