In the meantime though, the Angry Exile has found this rather grimy video on YouTube - click through for his thoughts on the matter.
Now, it's not clear whether this ad has ever been aired, but that's not to excuse the kind of sick mind which made the film.
Having said that, they're not alone, as I've mentioned previously. The two offerings below are by ASH New Zealand, and their equally ill counterparts in Dubai (who, astoundingly, chose to publish their ad on the sixth anniversary of the Twin Towers collapsing).
To finger-waggers the world over, 9/11 wasn't so much an unspeakable act of evil, more a handy occurrence on which to exercise their mentally disturbed fantasies.