I love scraps from other people too, because they have different fabrics than I do. My scraps turn into donation blocks for worthy causes.
You all sure do have a lot of great ideas. I will have to contact the animal shelter to see if I can capitalize on Smitty's idea and I surely will try Omark's idea.
Rag rugs can also be made out of small strips. I made a lot when I was younger because one of my aunts was a seamstress.
Cut a piece of burlap to the size of rug that you want. Use a hook or in my case I used a large hairpin to pull the strip through the burlap. The strips can either be tied or put in a row and then sew down the middle of each row as you go. These rugs are very colorful and can be always put to good use around the house.
Did I say before that I love scraps??? :D :D :D