I’ve heard of custom wallpaper before, but this is really innovative:

Artistic Tile that can be easily swapped so entire walls and floors can be totally changed to suit your various moods or fit the season. The tiles adhere via magnets and require no mortar, adhesives or grout, and are durable enough for commercial settings, including hotel suites, or office lobbies, for example.

check out the cool cowhide tiles,

and glass mosaics,

and stone!

[thanks, gizmag]