Change your desktop image with something like this image and you will see that your desktop will look like in that video. The launcher color and the color for some other things are derived from your desktop wallpaper. Unity color is chameleonic. So you don't need to change the theme or the style:

Also, you can play with some tweaks from Ubuntu Tweak:

To install Ubuntu Tweak, run next commands in terminal:
sudo add-apt-repository ppa:tualatrix/ppa
sudo apt-get update
sudo apt-get install ubuntu-tweak
To change the icon theme see this question: How do I change the icon theme in Ubuntu?