Tbers, If you have not already seen this software, I recommend you take a look. It is free from Google and remarkable. It is a 3D interface to the Earth called Google Earth (formally Keyhole). You need a Windows computer running 98, 2000 or XP - sorry Mac people )-: http://kh.google.com/download/earth/index.html Academic Computing Services will be loading this tool onto most student computers as soon as we can. You may find it useful in your teaching. Mr. James B. Greenberg Director Teaching, Learning and Technology Center Milne Library SUNY College at Oneonta Oneonta, New York 13820 email: [log in to unmask] phone: 607-436-2701 fax: 607-436-3081 IM: oneontatltc "Ignorance is curable, stupidity lasts forever"