For what site, the site in your sig? If this is the case, you might want to change your ad, I don't think putting a 'sale your restaurant' ad is going to do well on a games site. Second you might want to get some traffic, promote your site crazy, and the hosting is pretty slow also. All the games I tried to play timed out. Games niche doesn't seem to pay good, no personal experience though.
You could try to make a really easy-on-the-eye design. Just make a site with an address enter bar, and maby 1 or 2 ads. A site that looks really clean. Because with this one I didn't really know where to look first, so you automatically just look everywhere, but all just without going over it seriously. If it was nice and clean, you see an ad and a enter bar, so you can really give some serious attention to them. I don't have any proof to back this up, just something I think could work and you could give a try sometime. Good luck on it