I believe there was just a post on this somewhere, but anyways, I am going to try what someone else suggested: add 2 teaspoons of dishwashing liquid to a jug of windshield washer fluid. Previously I had used 409 with some ethanol in it, but it didn't seem to work that well. Also, paper towels supposedly causes tiny scratches in your covering due to the fine wood fibers, but I've used them for years and have never noticed.