How do I get a constant Background Image? Not only in ortho: top, front, back.

Please don't link this answer How do I set a background image while I am editing?

I want a background image like this guy has ->
https://youtu.be/M-RJ6tYrPmE?t=3m31s
Go to the file --> user preferences --> add ons --> type images --> import images as planes --> check the checkbox



Then you can go to file --> import --> images as planes. Or in the 3D view SHIFT + A --> mesh --> images as plane