Saatchi Art - Online art platform for buying, selling and discovering art.
Muzei - Muzei is a live wallpaper that gently refreshes your home screen each day with famous works of art.
SINGULART - World's Leading Online Art Gallery
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
ArtMajeur - +1 Million original artworks, Free Shipping Worldwide, Low prices guaranteed, 14 days return: buy all the art you love on Artmajeur!
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads