I have not been keeping up with this real well, but many of the posts seem to indicate that the actual ferret is being run into objects. While I have not seen the movie, and probably won't, the promos that I've seen show a stuffed animal prop bumping into objects. There are laws against harming in filming. James, Melissa, Kassidy & Jasmine Loving: Bebe, Riley, Fred & Max Missing: Wheezer, Pym, Rikki, Jako [Posted in FML issue 4401]