This is quite hilarious really. Jim C Hines has attempted to copy the poses that are regularly drawn on the front of fantasy books.
He does make quite a good attempt at them and his conclusion is pretty solid:
In all seriousness, I spent the rest of last night with pain running through most of my back. Even the pose in The Shape of Desire, which first struck me as rather low-key, is difficult to imitate and feels really forced. Trying to launch my chest and buttocks in two different directions a laVicious Grace? Just ow.