The current regime's terrorist propoganda has spawned the FUD promoting site Ready.gov. Fear mongering at its best.
Luckily there are great generic images there that have been appropriated for the purposes of comedy. Apparently adding new captions is highly entertaining and fun. You can see a bunch of this at the Internet Infidels Discussion.
Thankfully there is the Crackmonkey list, or I might never have seen this. And then where would we be?