A couple of working cannons
http://i1103.photobucket.com/albums/...s/SDC10533.jpg
http://i1103.photobucket.com/albums/...s/SDC10532.jpg
A mounted rifle that has remote firing, from a cellphone....... yes, here in NZ
http://i1103.photobucket.com/albums/...s/SDC10531.jpg
A Bren Gun in use
http://i1103.photobucket.com/albums/...h_MVI_0572.jpg