This is a specialized version of installing Linux onto the Chromebook. You need to have the coreboot BIOS flashed on this Chromebook. This does not work on just any Chromebook.
Here are the links:
Natively Running Windows 7 on Acer C7 Chromebook
http://youtu.be/m5crPfEAhvs
How to Create a Linux USB Installation Drive
http://youtu.be/MolErPBjAo8
Installing Linux Programs On Chromebook Running Crouton
http://youtu.be/OGvC0TWPk-g
Stay tuned for 1 more video on how to flash everything back to stock Chrome OS.