With Griddit! you can create a Web 2.0 advertising site with little to no effort. Don't bother with pixel scripts, this is the new trend!. You can also add semi-automated link sales to your existing website to boost your earnings and have an interesting addition to any project. It includes Paypal integration and the configuration is simple and flexible, suited for any webmaster with basic knowledge of tools like phpmyadmin. (Installer will come in future versions). The best of all, it's free!