Google Earth gives you a wealth of imagery and geographic information.
This plug-in allows you to navigate and explore geographic data on a 3D globe.
Earth simulator that combines imagery and real-time data.
Main Menu 
Earth Screen Representation 
Program Preferences 
Configuring Display Settings 
General Settings 
Display settings 
Image 
General settings 
EarthDesk screenshot 
EarthDesk screenshot 
EarthDesk screenshot 
