Modified instructions:

Download
    startupfiles_3.0.8-0.tar.gz
from
    http://www.igloocommunity.org/download/linaro/startupfiles/latest

tar -xvf startupfiles_3.0.8-0.tar.gz

sudo ./linaro-image-tools/linaro-android-media-create --image-file
snowball-image --image-size 1500M --dev snowball_emmc --system
system.tar.bz2 --userdata userdata.tar.bz2 --boot boot.tar.bz2

sudo add-apt-repository ppa:igloocommunity-maintainers/snowball-tools
sudo apt-get update
sudo apt-get install riff
# remove PPA (optional)
sudo add-apt-repository --remove ppa:igloocommunity-maintainers/snowball-tools
# Turn off device
sudo riff -f snowball-image
# Connect your board using the OTG USB port(next to power supply port)
to your PC.
# Turn on device
# Riff will detect the board and start the execution. 

# When execution is finalized riff will exit.

Mathieu have you seen this riff issue? Patrik, it looks like there
were some instructions missing with getting riff, I've filled in based
on the older instructions, but am I missing anything else?