<smil xmlns="http://www.w3.org/2001/SMIL20/Language"
      xmlns:it="http://www.w3.org/2001/SMIL20/InlineTransitions"
      systemRequired="it">
  <head>
    <layout>
      <root-layout backgroundColor="white" width="640" height="480"/>
      <region top="150" left="10" />
      <region id="r" fit="fill"/>
    </layout>
  </head>
  <body>
    <par dur="indefinite">
      <img region="r" id="m1" width="100" height="100" src="../images/earth.jpg" dur="20">
        <it:transitionFilter id="trans1" type="irisWipe" dur="6" from="0" to="1" calcMode="discrete" fill="hold"/>
      </img>
    </par>
  </body>
</smil>