In the era of giant porn star billboards in Times Square, how do you grab the attention of even the most jaded New York City heterosexual male consumer? Why, send underwear-clad models with sponsor information on their booties to flash unsuspecting tourists around Grand Central Station. Works for us. (Note to Fleshbot ad reps: Call these people and book us a couple of cheeks, stat!)

Ass-Vertising (photos and video @ ass-vertise.com)

Previously: Sloggi, Jenna's New Billboard, The Porno-ization of America

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