This tutorial explains the complete banner ad system used at the site, "CoverYourASP". Database driven, but using Application variables extensively, it tracks impressions and clickthroughs and is fully automatic. Source code available for download.
Use this wizard to create the Banner Control System for your site. This application will give you the ability to rotate banners on all pages in your site rotating them randomly while giving them equal page views at the same time. Uses Access/ASP.
This shows how in conjunction with commision junctions smartzones you can place a large number of different ads on a page. A normal smartzone can display 25 different ads. This simple example allows you to rotate as many as 300 different ads.
This tutorial explains how you can create a rotating advertisement system using ASP. Topics include: Ad rotator logic page, Ad images date file, and Redirection page.
This two-page article provides a couple ways to build your own banner rotation system for your Web site: Using Microsoft-bundled Ad Rotator component, and Using a custom, database-driven approach.
One requirement of the CoverYourASP advertising system is that multiple clickthroughs from the same IP address on the same day will be ignored. Another way to stop spiders is by testing the HTTP_USER_AGENT.