All it takes is once, and once is all Janina Wissler has been featured onscreen. But it was enough to get the pretty German naked, and that’s all the hairy palms at Skin Central care about. In Taff, a boob-tube documentary, Janina plays herself, and she’s topless in a short skirt that offers a cheeky view of her bottom line. That’s a business proposition anyone can get behind.