Need site like freelancer an auction site for services

OK I want to build an auction site similar in concept to freelancer but I want pretty more photos etc. Take a look at these two sites [login to view URL] [login to view URL] I am going to run it as a free service. I had this idea years ago and those that are trying to do it are just ripping people off. Everything from getting your car tuned to mowing the lawns, baby sitting to fixing a fence. There is long term work for the person that gets this right. I am talking partnership as we develop the site and brand. We run free for a year maybe 18 months and then we charge fees. There should be a script out there we can modify I am willing to buy the script. Tell me what you can offer.