Quilter's cache has a couple and Debbie Mumm has one that isn't too difficult in her 10th anniversary book.
http://www.quilterscache.com/F/FlyingFishBlock.html
http://www.amazon.com/s?ie=UTF8&keyw...4425011&page=1
And here is a fairly simple one with step by step instructions
http://freshlypieced.blogspot.com/20...attern_06.html