X-Ray Film for Bongo head

Does anybody have any extra x-ray film or a source to get it for a reasonable price? It seems like most hospitals are going digital and the only sources I found online are super expensive!
The World of Percussions
http://www.mycongaplace.com/forum/eng/
http://www.mycongaplace.com/forum/eng/viewtopic.php?f=2&t=8350