you can, but you have to make flick books out of them
but then looping is a real pain to achieve :D
( HappyToast B3ta Art Auction http://b3ta.com/links/749374, Wed 14 May 2008, 15:39, archived)

ring binding!

( Hamster Trippin' twitter.com/#!/HamsterTrippin, Wed 14 May 2008, 15:42, archived)