Hey, was great till a week ago, now it doesn't appear on right-click drop-down menu, maybe because of Firefox updates? Update! I installed it again (over the previous one, without uninstalling and reinstalling) and now it appears...!
All those permissions are needed for Clippings to function. Go to the following page to learn more about the meaning of those permissions, and why they are needed: http://aecreations.sourceforge.net/clippings/permissions.php