And then when you combine your gps with your camera, you can geotag your trip.
Lester (wolverine) uses
http://www.panoramio.com/
Check out his gallery on CCR and how it's documented.
The trip report (ignore all Topozone links)
http://www.geocities.com/lester_kovac/leaf2007.htm
The CCR photo gallery photos:
http://gallery.myccr.com/thumbnails.php?album=18
His panoramio account:
http://www.panoramio.com/user/157273
Lots of work involved.
Barbara