The freelancer goes to the site, searches for jobs that are taking bids, and places a bid to do the work. Bids win for a mixture of experience and price, and the best bid wins, not the lowest. In some categories I saw bids that were so low, they disqualified themselves by simple ignorance. The winning bidder gets the job and pays Ants. Com five percent when the check arrives.
Freelancers can build an additional five percent into the bid to cover the commission.
Great documentation makes it easy to install. Includes some trick features. That is, you can not vote repeatedly. However you can come back at a later date to vote again, and then view current results. Com - Lots of links to other graphics sites.