Today's afternoon links, featuring graffiti on snow and a super effective horse impersonation.

A few weeks ago, the "Mad Men" marketing department sparked some controversy when some overly sensitive types unfamiliar with "Mad Men" imagery got up in arms because the billboard campaign -- which showed a man falling against a white background -- bore a passing resemblance to "The Falling Man," a photograph of a man falling from the World Trade Center on 9/11.

Daaaawwww, he's so cute.