This addon let you upload any image found on the web directly on imgur.com, with a simple right-mouse click. Just move your mouse on the image, select “upload image on imgur” and ready you are! The URL of the newly uploaded image is automatically copied in the clipboard.

Imgur Firefox Uploader

The official page of the extension is on the Mozilla database; yet, if you can’t wait for mozilla approving system to install your next upgrade you can get it from here (or become an editor for mozilla extension project). The current version on this page is 0.3, compatible with Firefox 3.6. Enjoy!