I forgot to post this sooner, so there are now only a few days left to participate!
Here's the info:
Recycle Your Blues! From October 6th - 20th, 2010 bring any of your old denim to a GAP store and get 30% off all 1969 jeans. The denim is converted into UltraTouch Natural Cotton Fiber Insulation, and donated to communities in need.