Ebay is a fantastic source for things you can't find anywhere else. I'm amazed at the ingenious folks who make their living through it, and the vast variety of merchandise. One of those people is vintage4me2, whose store is full of the most amazing selection of vintage patterns.
Here are a few of them from the 1920's, featured by permission from current listings. (Kindly refrain from copying the photos).
Be inspired! This stuff is cute as cupcakes.