My granddad did tile, professionally. Whenever we needed anything retiled, he'd bring over his scraps (spare tile left from this or that project) and put together a fabulous and artful mosaic for us.

The first time I had to pay someone to retile my bathroom, I about fainted.

Wish I could loan my granddad to you for a while. You'd love your bathroom, and you wouldn't even have to pick out colors -- he'd just make it beautiful for you. Too bad he's retired -- he might even go to California for it if you paid his bus fare and promised him a night in Reno on the way down! ;)