Please add the following addon to the http://www.gnu.org/software/gnuzilla/addons.html list
https://addons.mozilla.org/el/firefox/addon/shooter/ Shooter is a Mozilla Firefox browser extension, which allows you to take a screenshot of a given browser page, or a specific region of it. * GNU General Public License, version 3.0 Thank you, Menelaos Maglis -- http://gnuzilla.gnu.org
