If you want to start with something easy, how about using charm squares and just randomly mixing them up? Add a border and it would be really cute!
There are many free patterns and ideas for projects using precut fabric on the Moda Bake Shop site. Here's a link:
http://www.modabakeshop.com/
My Avatar quilt was made with Moda Turnovers and muslin. I got this pattern off the Moda Bake Shop site.