I made a basic front-end web page where I embedded a single video from YouTube inside an iframe element.
<iframe width="100%" height="315" src="https://www.youtube.com/embed/link-to the-video" frameborder="0" id="mysong" allowfullscreen></iframe>
The problem arises when I link this page on LinkedIn. The video thumbnail becomes the preview for the page. It is kind of annoying as I don't want my website to be associated with the YouTube thumbnail, but rather want to use a different image as the preview.
Is there something I can add to my webpage to overwrite this behaviour and display a different preview? Here's what I mean by "preview":
Found solution:
<meta property="og:image" content="http://link-to-image.png"/>