If you like paper piecing, here's a book you can get fairly inexpensively:
http://www.amazon.com/Hometown-Quilt...7417359&sr=8-5
Here's another:
http://www.amazon.com/Twenty-Four-Vi...7417359&sr=8-9
But this is the book I was trying to find. She has a sort of formula for making these. I have the book, but haven't yet tried it. It's on my list of things to try:
http://www.amazon.com/Happy-Villages...7417554&sr=1-1