Lookit-Screenshot Application (PPA Installation instructions included)
Lookit is a screen capture tool that can be used to capture an area or the entire screen. After capturing, you can save it on your desktop or upload to a FTP, SSH server or Imgur.
Install lookit on ubuntu
open the terminal and run the following commands
sudo add-apt-repository ppa:lookit/ppa
sudo apt-get update
sudo apt-get install lookit