I made one quilt with used jeans. I asked friends not to throw their old jeans and by old I meant old. Even if they used themto paint and there is some paint stains on them it did not matter. The reverse side can alway be used and it provides nice color contrast. They were rather intrigued and thought I was weird. I just laughed and told them I would show them what I did with them once it was done. In a matter of 1 week I got 3 pairs and started this....
http://www.equilters.com/library/jea...gallbaros.html
you might find other ideas from this site!