You do realise by starting this thread even more of us are going to be drawn in to the vast web that is the Stack n Whack/One Block Wonder phenomenon.
I am reorganising my fabrics into a new shelving system and found myself putting "potentials" on a separate shelf...goodness knows what will happen to me once I actually do one!!!!
Lovely examples everyone has posted....Karen K...who could imagine that fabric could be worked into the amazing piece which is the front....Wow!