I found this one over on the PDXLAN forums:
http://pdxlan.net/website/e107_plugi...opic.php?31996
Always remember "If your building collapses, give yourself a blowjob while waiting to be rescued"
The US government has a new website,
http://www.ready.gov/ It's another attempt at scare mongering in the style of the old "duck and cover" advice after WWII.
The fun thing is that these pictures are so ambiguous they could mean anything! Here are a few interpretations.
http://www.nirvani.net/misc/emergency/?1