This is so common... I regularly see photos of cars I have put up on eBay taken and posted to Hemmings for sale by someone else... a really nice 280SL for $30,000 is too good to be true, and my house is in the background.
I've had my photos and descriptions taken from eBay and posted to Hemmings, AutoTraderClassics.com and other sites, probably 6 or 7 times.
I just email the website (Hemmings / whoever) and tell them and they take the ads down. I can't imagine anyone is going to do anything about such complaints... the 'boys down at the crime lab' probably don't have the time or the resources to try to track someone in Eastern Europe or the middle east down... where would they prosecute.
This will just happen, you just have to realize that if it's too good to be true, it is, and walk away... it's a scam.
Wanting to report such things is admirable... but consider the size of the world and the web... it's an impossible task, it's just the way of the new world.