There is a google maps tutorial kept at http://www.econym.org.uk/gmap/

To keep himself busy on the plane cdent started reading it and taking some notes:

• Instant Maps with Google Wizard
  
• Embedded Maps
  
• XML
  
• Using GOverviewMapControl
  
• Fitting the map to the data
  
• Sending KML files to Google Maps
  
• GgeoXml
  
• GMarkerManager
  
• Distances
  
• Arrows
  
• Altitude