NoAdpac Browser-script for automatic proxy setting for removing ad-content. Just switch your browser/connection settings to script/pac "http://noad.googlecode.com/svn/trunk/no-ads.pac" and Enjoy the World without Ad!
PS Feel free to post another Ad-providers that should be included in current filtering.
PSPS there are nothing to download. Just us the "http://noad.googlecode.com/svn/trunk/no-ads.pac". Then the latest updates your browser will take automatically. If your main motto is "don't trust anybody" - just store the pac-file locally, check what is inside and configure browser to your local copy instead.
Already tested on: OSs: Linux, Windows, Mac OS X Browsers : Mozilla, Opera, Internet Explorer, Safary
NoAd in Action[http://jsr-170.blogspot.com/ ]