varquazar's select addons specifically targetting the visual environment enhancement
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.
Thanks Tekzilla for your awesome review! Click here to see their video: http://youtu.be/BUDqWrJ-Vao
Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.
This extension provides advanced configuration for your browser and many additional options, that are not displayed in the Firefox "Options..." dialog.
Myfirefox is the theme of the most perfectly simulating Internet Explorer 8 by far.
It can work perfectly in Windows 7 .
This extension adds a new "FaviconizeTab" option to the context menu of the tab...
Pencil is a Firefox add-on to do GUI prototyping and simple sketching
Note from Mozilla: This add-on has been discontinued. Try FXChrome instead.
Chromifox Basic is a coat of chrome for Firefox.
This splits the content area of the browser window as you like.
Change your bookmark icons! Right-click a bookmark, and select "Properties", then "Browse" for a new image or paste in a URL.
Light up your Firefox with this black and blue theme.
Tab grouping, vertical tab tree, multi-rows, and various tweaks for power users.