I\'ve been watching some of the Team Treehouse videos and they have a very nice looking terminal when working with Git.
For example they have (something similar):
To expand on the existing great answers, a very simple way to get a great looking terminal is to use the open source Dotfiles project.
https://github.com/mathiasbynens/dotfiles

Installation is dead simple on OSX and Linux. Run the following command in Terminal.
git clone https://github.com/mathiasbynens/dotfiles.git && cd dotfiles && source bootstrap.sh
This is going to:
cd into the folder.