In this video tutorial, viewers learn how to disable ads with the Ad Block Plus add-on in Mozilla Firefox. Begin by going to the Firefox add-on site and search for "ad block". Then click on "Add to Firefox" to install it. Once installed, users will be able to block out any advertisements. Users are able to add a filter subscription. To block an image, right-click on the image and select "Ad Block Image". Users are able to customize their ad block filters to only allow certain advertisements. This video will benefit those viewers who use the Mozilla Firefox web browser, and would like to learn how to disable annoying advertisements.