My search is over!

Thanks to Carlymac for puttin' ideas in my head, I found a source for the wide-angle rear-view film widely known as Van Eyes:

http://www.campingworld.com/browse/p...=SRCH&tcode=37

$11.99 plus 5.50 s&h

(Pocket change compared to an investment in a back-up camera. I'd rather do a Power Vault and sun-roof, first).