gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:image="http://www.sitemaps.org/schemas/sitemap-image/1.1"
        xmlns:video="http://www.sitemaps.org/schemas/sitemap-video/1.1">
  <url> 
    <loc>http://www.example.com/foo.html</loc> 
    <image:image>
       <image:loc>http://example.com/image.jpg</image:loc> 
    </image:image>
    <video:video>     
      <video:content_loc>http://www.example.com/video123.flv</video:content_loc>
      <video:player_loc allow_embed="yes" autoplay="ap=1">http://www.example.com/videoplayer.swf?video=123</video:player_loc>
      <video:thumbnail_loc>http://www.example.com/thumbs/123.jpg</video:thumbnail_loc>
      <video:title>Grilling steaks for summer</video:title>  
      <video:description>Get perfectly done steaks every time</video:description>
    </video:video>
  </url>
</urlset>