I dont know if any of you have seen the Zumo Connect site, but its a nice way to share rides with everyone to see and download. I think you need a Zumo to upload. Any way the mapplayer is cool as well. Here are some recent rides I have taken.
http://connect.garmin.com/zumo/activity/2700433
http://connect.garmin.com/zumo/activity/2672441
http://connect.garmin.com/zumo/activity/2700433
http://connect.garmin.com/zumo/activity/2672441