ScreenShot plugin

Can take fullpage screenshot from any page you are currently visiting.

Simple to use; Hover to open, Left-Click to take a screenshot and Right-Click to show the gallery.

Doesn't save any of the screenshots, the gallery will be resetted when page changes or updates.

Install ScreenShot
You need to have Greasemonkey or a compatible alternative installed.

You can test it, it's there on the lower left corner!

Uses pure JavaScript and CSS, except some of the libraries need jQuery to work.
Everything needed is included automatically (also the jQuery).
Supports only pages which use HTTP at the moment.
This plugin uses the following libraries: html2canvas, lightbox.