Here are the sort of photos I feel you should be using, its the sort of stuff that turned my free to paid ratio on one website from 70-1 to 12-1....
http://www.istockphoto.com/stock-pho...ulled-wine.php
http://www.istockphoto.com/stock-pho...ey-embrace.php
http://www.istockphoto.com/stock-pho...od-morning.php
http://www.istockphoto.com/stock-pho...gay-couple.php
Gay couples in love and happy, doing the sort of stuff they do everyday. And when other gays ask, "Where did you meet?" They will say on your website and be happy to say that if you have a nice clean, happy place.
Another thing, ban everything from the Philippines, I have found that almost every single profile posted from this country is running a scam. They actually have whole families that sit behind computers there 12 hours a day setting up hundreds of profiles running scams.