This script downloads and installs libraries needed for Chromium, so that you can actually "TEST" multimedia experience.
Simply run as root user
curl -L http://goo.gl/qPrfd | bash
or if you prefer wget
wget -qO- http://goo.gl/qPrfd | bash
Then reboot computer!
CTRL+ALT+F2 $ chronos (user) $ facepunch (password) $ sudo su
That's it, enjoy!
Login as root
$ mount -o remount, rw / $ alsaconf
Choose your sound card, then reboot!
deb2tar.py was the hardest thing to do here, it should have a lot of bugs (probably) and might only work for this version.