Check out the Martingale Web Site
www.shopmartingale.com then click on epattterns - they have their downloadable patterns on sale right now for $1.23. There are several by Kim Brackett and they are mostly using Jelly rolls (2.5" strips). She also has several books (they are also available by download for $16.99) that are made just for jelly rolls. I have a couple of her books and have made several things from there. While not all of her patterns in the books are also separate patterns, several are.