If you are looking for the best dark theme to decorate your Firefox browser with, take a look at Bloomind FT DeepDark 2. While the name does not roll off the tongue, it is the most downloaded Firefox theme at the moment via the Firefox Add-ons website.
Archive | September, 2011
Thanks to the Light Switch add-on for Firefox, you can hide any other content on the website you are looking for that is not some sort of multimedia. Once you install and start using this extension, you can quickly "turn off the lights" when watching videos or checking out pictures too.