when you're in search of free block patterns, start here:
http://quilterscache.com/QuiltBlocksGalore.html
another great site is
http://quilting.about.com/
i also recommend:
http://www.blockcentral.com/index.shtml
and this:
http://www.quilt.com/
bookmark/favorite these sites. you will find nearly everything worth finding at one, another, or all of them.