title: How to change meta tags in a joomla site?
body: <p>I want to change <code>og</code> code from my joomla site. Meta tag is showing </p>
  
  <pre><code>&lt;meta property="og:image" content="http://119.18.55.52/~videosco/images/video_thumb/funnycat_thumb.jpg" /&gt;
  </code></pre>
  
  <p>This is not a video thumbnail. It is a simple image, that i provide in a article.<br>
  I'm using <code>ja_fubix</code> template. When I click on <code>share button</code> only that image is shown which i added in my article. </p>
  
  <p>Please help me out to show a video thumbnail.</p>