[[http://wiki.go-docky.com/index.php%3Ftitle%3DPlank:Installing|Plank]] is a simple dock that can be installed.

First in terminal
<code>
sudo add-apt-repository ppa:ricotz/docky
sudo apt-get update
sudo apt-get install plank
</code>

To go to settings, use
<code>
plank --preferences
</code>