That allows me to flip pictures on the internet 90° by right-mouse menu or so? :/
Grand Master Overwatch Player
14th August 2008
Image rotate plug-in, which can be found here: https://addons.mozilla.org/en-US/firefox/addon/7113
Though, the original intent was to avoid these 'image bugs' as explained in the description. But, it does the job; right-click to rotate.
Formerly known as Graeme and Arld.