Why don't you try these two sites! [99designs.com is a sister site of SitePoint (so you know it's gonna be good ). Also check out [url=prizes.org]Prizes.org](http://99designs.com/) which is run by Google.
Both sites are so-called 'crowdsourcing' websites, meaning that they have people post contests that designers can submit entries for. You'll have to compete to win, but if you're good enough, you should get some work. Check 99 designs first - it's specifically targeted towards designers, whereas Prizes is targeted towards general work. This said, the quality of work found on prizes.org (in my opinion) is quite low - if you're good you should be able to sweep away the competition.
Also try normal freelance sites like [elance, [url=freelancer.com]freelancer.com, or [url=freelance.com]freelance.com](elance.com).