by the way, Reverse applique is a completely different technique where two layers of fabric are stitched together with a planned design (right sides up for both fabrics!)...then the top fabric is cut away from certain parts of the design and what's left of the top fabric is needle turned and hand stitched to let the back fabric show through in the desired pattern. A good example of this technique is the mola designs from certain people in South AMerica and Asia. Here's one link to the mola style...
http://www.galenfrysinger.com/mola_panama.htm