Hello Linux Geeksters. ScreenGen is commandline tool for creating thumbnails from videos and uses the ffmpeg-libs in the background. The latest version available is ScreenGen 1.7, which brings some fixes to the previous version. A full list of parameters can be found at this link.

In this article I will show you how to install ScreenGen 1.7 on Ubuntu 13.10 Saucy Salamander, Ubuntu 13.04 Raring Ringtail, Ubuntu 12.10 Quantal Quetzal, Ubuntu 12.04 Precise Pangolin, Linux Mint 16 Petra, Linux Mint 15 Olivia, Linux Mint 14 Nadia, Linux Mint 13 Maya and Elementary OS 0.2 Luna.
Because it is available via PPA, installing ScreenGen 1.7 on Ubuntu, Linux Mint and Elementary OS is easy. All you have to do is add the PPA, update the local repository index and install the screengen package. Like this:
$ sudo add-apt-repository ppa:samrog131/ppa
$ sudo apt-get update
$ sudo apt-get install screengen