Hi, i'm using my first time announcement here to present you gfyers
Siteborg.com
In a nutshell it's a system that lets you target your ads or content based on your search engine referrals keywords/terms.
From the site:"Siteborg does this by displaying content specific to a visitor's search. When a visitor is referred to a website by a search engine such as Google, the website can display content based on the visitor's search request. This allows websites to more efficiently direct visitors to products or content. In addition, websites can see which search terms generate the most revenue."
It's 100% customizable so you can find different uses for it (banner management and rotation for all your sites from a single admin panel, change specific parts on your site's content depending on SE Keywords, etc) and we're offering an introductory
Free Trial this week.