Try searching youtube. there are a couple there - Jenny Doan from Missouri Quilt Company has one on baby receiving blankets - it's the same technique. Follow TwinRiverFarms measurements and it'll go well for you.
Part 1:
http://www.youtube.com/watch?v=FqCOPdbPVDg
Part 2:
http://www.youtube.com/watch?v=IyRL0qIBLfQ
MissouriQuiltCo:
http://www.youtube.com/watch?v=lqwdNqMZ8Ro