Garmin is happy to provide a downloadable tutorial for their MapSource products. While their MapSource products don't support Macs at this time, it's not wise to rule them out just yet.
Check out this video tutorial on how to select and save maps on a Garmin GPS device, with the MapSource software.
Hosted by garmin.com
Creator's Site: www.garmin.com
Curated By: tenebrism