Here's a few sites I found:
http://www.equilters.com/library/PFP/square-in-square.html
and the one Lucky Patsy's "Mom" told us about:
http://www.quilterscache.com/S/SquareinSquareBlock.html
http://www.quilterscache.com/P/PinwheelBlock.html
I'm so glad someone was able to send you fabric and batting!