Chrome’s Hide Address Bar is a great feature and Firefox follows Chrome’s footsteps after releasing Firefox 4. LessChrome HD is a Firefox add-on that will auto hide the navigation toolbar and the bookmarks bar and all extension buttons on the navigation bar. The add-on automatically hides all toolbars, including the address bar, until the user “hovers” the mouse pointer on a tab. To get more space... 

How to Customize Firefox 4 Appearance ? Apart from using Firefox 4 Themes, here is nice Add-on to fully customize the Firefox 4 user interface by styling App Menu Button, input Buttons,all the icons,and Tab Color. Stratiform is an add-on for Firefox 4,  allows the users to tweak Firefox 4 appearance settings to the maximum level. The extension also customizes the theme, allowing users to enable toolbar styles, which... 

Most of our favorite add-ons still not updated to the latest Firefox 4. Instead of waiting for your add-on owners to update it,here is a simple tweak that will enable you to use your old incompatible add-ons o Firefox 4. Fix 1: Open Firefox 4. In the Address field, type about:config and hit Enter. Click on the disclaimer “I’ll be careful, I promise” button. Right-click and from the menu, select New and right after...