Selling your home at Auction in a down market is tough to do. Everyone is looking for BIG DEALS so don't expect to make anything off of the home.
Because of "the Market", you might through in a few Realtors in the interview process as well. I'd love to be able to help you. Let me know if there is anything I can do.
Here are some good Resources:
Tips for selling your home at Auction: http://homes.wsj.com/columnists/housetalk/20060807-fletcher.html
National Auctioneers Association: http://www.auctioneers.org/