Why not vote in a contest in which you might have a little more personal experience with the nominees? It's time to weigh in on the people you work with and how many of them deserve these dubious distinctions!
Like virtually any other relationship-oriented activity in the workplace, the Backscratch is a game with rules that no one will actually tell you, but you are expected to know nonetheless. S'ok. I'll tell you.
Think of the way you look as your "packaging." What does your package say about you? Your look can help brand you in a good and memorable way OR can be a distraction from the reputation you want. You may get you labeled with a reputation you never dreamed of or wanted.