The frame stays mostly on her. Would love to know if anyone's got any more of this movie, or the girl:
http://www.tubexxl.com/action/viewvideo/7621/Young_4some/
(This other video was posted by the same user, and the girl looks similar, but I don't think is the same: http://www.tubexxl.com/action/viewvideo/7551/Cute18yo_getting_it_in_all_holes/ )