If you have Windows and Garmin Mapsource, then download the file called shonkymaps_3.51.zip.


If you have linux or don't want or can't run the automated 
windows setup and installation, then download the file in the 
linux_users directory called sm_linux_3.51_imgfiles.zip

If you have an Apple Mac, then download the file(s)
in the mac_users directory (provided by jcd at gpsaustralia.net)

Hit 'back' on your browser to go back to the file list.