I would say your best hope would be to find the same file set on other tracker.
I also just happened to think of something- depending on the popularity of the content, someone may have uploaded to a place like rapidshare/megaupload or another place like it.
I got lucky onetime in a similar situation- after downloading the zip I opened it and then pointed the torrent at it and it matched!
I then went back to the tracker and let everyone else finish.
It's a BIG long shot, and you are more likely to find it at another tracker- but try searching on google, it can't hurt.
Good luck
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