Author: Matt Jump
RasPiWrite is a simple and easily modifiable Python script that automates the process of mounting an SD card and downloading and installing a Linux image for a Raspberry Pi.
While this script has is fully functioning on Mac OS X, it now has at least working support for unix (Tested only on Ubuntu)
Either clone the git repository, or download the zip file.
unzip RaspiWrite.zip chmod +x raspiwrite.py
RasPiWrite supports all the distros currently on the official Raspberry Pi Downloads page. The script will choose a mirror at random to help ease the pressure on the network.
Warning Please bear in mind that this software is in beta, if you don't follow all instructions provided, you may screw something up...
Support and up-to-date info: exaviorn.com