Just Google "free four-patch quilt pattern" and you will find lots. Click on "images" to pick out the ones you really like. Here are some I found that way:
http://quilting.about.com/od/quiltpa...atch-Quilt.htm
http://quilting.about.com/od/quiltpa...ing-Frames.htm
http://quilting.about.com/od/quiltpa...Block.-96I.htm
but I'm sure there are lots more.