I've always loved Wright and saw this thread http://www.craftster.org/forum/index.php?topic=24558.0 and was totally inspired!
The room was already yellow and I really didn't feel like repainting all four walls. So my only rule was that I had to match around the yellow. When I bought the paint I used at Home Depot the man that mixed it asked if I was painting a doll house. See the results in steps below (each pic is half a wall):
Here is the start of taping off the blocks:
All painted, but looks a little messy with the tape still up...
Viola! All finished. Lighting on the pics isn't that great here, but we finished up at dusk.