spelling, SPELLING, SPELLING!
If you want a site to look professional, you must be sure you spell correctly. Sure, we're human, and we make misteaks 😉, but come on, take a little time to spell-check. "Realy" is spelled "really," and "dynamicly" is spelled "dynamically."
Get rid of the ads for now. If it's a new site, and you're trying to attract new members, then you aren't going to get the click-throughs your advertisers will be looking for -- at least not right away. There are only two reasons to have ads -- you are getting VERY good money to support your site from the advertisers (not likely with a new site), or your service provider requires them. If the latter is true, get a new provider. You can find one for less than 10 bucks per month, with no advertisers.
Minimize you graphics. You don't need photoshop skills -- use the right colors and typefaces, and you can put together a very good looking site without many graphics at all.
Hope those help. I prefer staying here at PHPBuilder.com, so I won't be joining yours. Good luck, though!