
<smil xmlns="http://www.w3.org/2005/SMIL21/Language">
  <head>
    <layout>
      <root-layout backgroundColor="#eeffcc" width="384" height="384"/>
      <region id="r" fit="hidden"/>
    </layout>
  </head>
  <body>
    <par dur="indefinite">
      <img src="../images/smile.jpg" region="r" dur="indefinite" id="img1" backgroundColor="blue">
        <set attributeName="backgroundColor" to="red" begin="2" dur="2"/>
      </img>
    </par>
  </body>
</smil>