don't forget the dingle-ball trim along the cieling..
and perhaps a rear view mirror above the sink?

or go for tile..a brick look...or how about south west adobe!
http://homechannel.aol.com/aolhome/decorating/da/result/0,22268,733268,00.html?c=4&f=19&t=115&o=homeOnt:Rooms_homeOnt:BathroomClass&r=1&id=780586:783305:782933:782934:733268:783219:733259:783303:784370:784373:782928:782926:733230:733244:733229:782922:783205:733210
http://homechannel.aol.com/aolhome/decorating/da/result/0,22268,733268,00.html?c=4&f=19&t=115&o=homeOnt:Rooms_homeOnt:BathroomClass&r=1&id=780586:783305:782933:782934:733268:783219:733259:783303:784370:784373:782928:782926:733230:733244:733229:782922:783205:733210
i am not sure if those links will come thru..they are loooooooooooong
http://www.greenhomebuilding.com/adobe.htm
http://www.adobebuilder.com/adobe-home-building-costs-3.html