I have recently become a huge fan of grey and white zig-zags. Remember the rug? (Still want it.) Now there's fabric!
A really cool site called Lettercult just published its top ten custom letters. They are all pretty fantastic (see them all here), but here are two of my favorites:
by Lucas Sharp
by Toby and Pete (Isn't that amazing?! Doesn't it look like Play-do??)