AdBlock is the percursor to AdBlock Plus, one of the most popular add-ons for Firefox. Some users, including myself, find AdBlock Plus too bloated and prefer the older AdBlock. This add-on is no longer in the Mozilla database, but is available on download.com and other sites. Unfortunately the default file does not install in Firefox 3.0 or later. A simple modification of the add-on will allow you to use it with FireFox 3.0 and later, so I have modified the add-on and placed it here for download.
This add-on seems to cause issues with some Flash-based sites. AdBlock Plus does not exhibit these issues.
Download AdBlock 0.5.3.043 for FireFox 3
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