#Giffider
sudo wget http://git.io/vsGdX -O /usr/local/sbin/giffider;sudo chmod a+x /usr/local/sbin/giffider
sudo wget http://git.io/vsGdN -O /usr/local/sbin/giffider;sudo chmod a+x /usr/local/sbin/giffider
Once it ends you can continue using it by the command :
giffider
If you need specific help you can mail me from: Contact Me
Thanks to byzanz.
BTW, it is tested in Ubuntu and kubuntu only.