<extension 
    name="Pongy"
    description="Play Pong with Pongy"
    thumbnailUrl="http://playpongy.appspot.com/preview.png"> 
  <author name="Hilbrand Bouwkamp" /> 
  <menuHook
      location="TOOLBAR" text="Insert the Pongy gadget."
      iconUrl="http://playpongy.appspot.com/icon.png"> 
    <insertGadget url="http://playpongy.appspot.com/pongy/org.cobogw.pongy.client.Pongy.gadget.xml" /> 
  </menuHook> 
</extension> 