The template, the page layout, and the ad placement is nice however, I think you could add another color into the color scheme.
The front page is very inviting. I like the latest visitors and new members block with all the images. In the country drop down menu it seems like every country is listed on here. Do you have a specific geographical area in mind?
It isn't bad. I like the way how it is extremely clean. Maybe a different banner but that is all. The page loads quick and it's easy to find what you want. good job
The Person title looks Derson, due to the font style; try with some other best font for that. And also add some graphics design in the home page.
I suggest the "sign up" should be in catchy position and attractive style (large and attractive color) . Cheers .