Here's a free Google map import tool for plotting points etc
http://www.automateexcel.com/index.php/2005/07/28/google_maps_in_excel
One for Yahoo Maps
http://www.well.com/user/jeffreyp/mapmaker/
A free Web based tool is
http://www.pininthemap.com/
-Select "Create your own free map like this one"
-Select flag for the country you wish to view
-Enter zip code and hit enter
-Select center of localized zoom
-Add comments and/or pic
-Preview and set password
-Zoom out to desired view