Install the "Adblock Plus" extension with "Easylist US" filter subscription, which you can do from withing Adblock Plus. '''You need to install''' the "'''[https://addons.mozilla.org/firefox/addon/1865/ Adblock Plus]'''" extension along with subscribing through its options to both "'''EasyList'''" and "'''Fanboys'''" Known Adblock Plus subscriptions * http://adblockplus.org/en/subscriptions Adblock Plus - Open blockable items list - Ctrl+Shift+V (right click on icon) shows all the urls on a page and if blocked by a filter shows the filter * http://img213.imageshack.us/i/2010020591647pm.png/ * http://img651.imageshack.us/i/adpblockableitems.png/ * http://img3.imageshack.us/img3/671/adblockplustvguide.png Adblock Plus can be enabled/disabled at the Status Bar, so you can be more aggressive in what you block compared to a hosts file. Each filter you install and your own are separate, so they can still be maintained separately, but it only applies to the Firefox profile you install it in.