I just purchased a 1993 Jeep Grand Cherokee, unfortunately the rocker panels are rusted right through. Some spots on the side reveal the inside of them, and the bottom is chipping away. I don't have much money, but i heard about stuffing them with newspaper or something, and then covering it all up with some type of plexi-glass material will do the job. Obviously I was paying attention when I was told what to do, can someone please tell me the right way to do this? thanks in advance.