Real estate - deed of trust

I sold my house approximately a year and 1/2 ago. I was approached by a company that buys fixer uppers, and they offered my a good price. However they convinced me to move out so they could re-hab it and use the improvements to enable them to get a greater value on the house for mortgage purposes. It became apparent they never intended to purchase the house, but to turn it around for profit. The 'buyer' who was brought in from the start, and insisted she wanted to live there because of the school district was not able to qualify for the mortgage, and they asked if they could subsitute another party, which I agreed to. They then wanted me to do a contract for $30,000 to be due in 2010, I consulted a real estate lawyer at that time, asked him to advise me on the final contract and sales papers. He found errors, where they had deliberately changed the wording on the deed of trust, so they could default and I would be out, when I had been told both by the lawyer and the people I was dealing with that if Jason (buyer) did not pay, I could foreclose on the property. The lawyer had them change the wording so it was correct.
Now a year and a half later, I find that Jason sold the house two months after he purchased it for it appears '0' dollars to a trust. The house is now abandoned ( the original buyer that could not qualify did move into the house and stayed there for about a year or more, supposedly making the mortgage payments to Jason) Now the house is abandoned, property in disrepair, the local courthouse advised me it was sold at auction on July 25th, 2008, that mortgage payments had not been made for over a year. I went back to see the lawyer I originally sought advice from, he sez I am probably SOL., as I was not principal on the mortgage the bank was, and if I could locate Jason, it would probably cost me more to litigate than it is worth. I am not rich, I needed that money, my deed of trust sez if he defaults he is liable for all my court costs, etc. Is there anything I can do at this point.