Heidi, I just received an Email from someone wanting to purchase 2 of my paintings. After a quick search this turned out to be a scam. I had not read your thread before I listed mine under the Business Section titled "Scam".
Bogus Artfair Info
http://www.bogusartfair.info/node/51 is a place where you might write about your ordeal and give others a chance to see if they recognize any of their work .
I am sorry to hear about your ordeal, this is definitely aggravating.