The Motor Trend Extreme Road Test Video, Part 1: Leaving Anchorage actually has a quick shot of them applying the clear protection:
http://motortrend.com/multimedia/mtvideo/112_02_hummer/
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content"> Kiwi carefully applied a protective Armourfend film to the H2 to help shield it from rock flack on the more-than-800-miles of scheduled off-pavement excursion on the first leg.
http://motortrend.com/roadtests/suv/112_0208_h2_leg1d1/
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