title: reveal.js how to add an image to a slide
body: <p>I am trying to use reveal.js for my presentation. I tried to add an image to my slide but the image won't show up. Here is my code</p>
  
  <pre><code>  &lt;section&gt;
      &lt;h3&gt;Slide Header&lt;/h3&gt;
      &lt;ul &gt;
        &lt;li &gt;Symptom:  &lt;img src="tmp_warning.png"  height="100" width="200"&gt;  &lt;/li&gt;
        &lt;li &gt;Cause: unknown&lt;/li&gt;
        &lt;li &gt;Steps to fix: unknown&lt;/li&gt;
      &lt;/ul&gt;                 
    &lt;/section&gt;
  </code></pre>
  
  <p>What did i miss?</p>