For the final Kerplunk! of the summer we created image transfers using old books and packing tape! Once soaked in water, the images that had been pressed onto the packing tape can be made into transparencies by rubbing away the paper. The image sticks on the tape! They can then be stuck on a variety of surfaces to decorate. We made ours into postcards.
If you're interested in making your own, here are some instructions: http://www.scrapscene.com/2008/04/thursdays-tutorial-packing-tape-transfers.htmlHere are some of the creative designs that kids came up with (and a silly drawing):