How not to be seen:
(for those who have seen the original Monty Python bit, this is even funnier)
http://www.flabber.nl/archief/014972.php
...just a little end-of-the-week humour.
Also found on Google video (a bit bigger, and none of the dozens of "LOL funny stuff, d00d!" comments in German)
http://video.google.com/videoplay?docid=-8862480757084247702&q=how+not+to+be+seen
PS: the end has a nice surprise too 8)