title: how to create thumbnail image from video url
body: <p>I'm trying to get a thumbnail of a video url.
  <br/>
  i want it to put in player.</p>
  
  <pre><code>&lt;div id="myElement"&gt;Loading the player...&lt;/div&gt;
  &lt;script type="text/javascript"&gt;
  jwplayer("myElement").setup({
      file: "/uploads/example.mp4",
      image: "/uploads/example.jpg",
  });
  </code></pre>
  
  <p></p>
  
  <ol>
  <li>Is there an easy way to do it?</li>
  <li>What about codecs? Will I have to deal with it?</li>
  <li>Any video type is suported?</li>
  </ol>