I got off on a total sidetrack last night, and stumbled on this stuff. Taking old plastic bags and making mats/rugs out of them. The video has a better way of doing it than the Instructables write-up. But interesting stuff just the same. Cheap too.
http://www.1millionwomen.com.au/blog/diy-crochet-plastic-bags-sleeping-mats-homeless/
http://www.instructables.com/id/How-to-Make-a-Rug-from-Plastic-Grocery-Bags/