This is a video tutorial in the Computers & Programming category where you are going to learn how to find, download & install Firefox themes or skins. Open up Firefox 3, go to tools, click on "add-ons". On the next window, click on "get add-ons" and click on "browse all add-ons". On the next page, on left hand side scroll down and click on "themes" button. This will display all Firefox 3 themes. Select the theme that you want and click on "add to Firefox" and then click on "install now". You now have to restart Firefox and the theme will be installed.