More ideas from David
So stunning!  Image from World of Interiors 11.2009.  Cladding the walls with Moroccan geometric patterns in tile is typical in Moroccan design  does not need to be pricey!  These look to be cement Moroccan tiles.  My book, Marrakesh by Design, offers further Moroccan decorating inspiration:

Moroccan arched opening and Tunisian tiles in courtyard of architect Roberto Peregalli's c. home called "The House of Whispers" in Tangier, Morocco (Photograph by Roland Beaufre for "World of Interiors" magazine) - love the greens and the tiles