Before uploading an image to Cloud Collaboration always make sure that you have loaded the correct image in the VFB. If you haven’t created a project you can create a new one and in the videos is showed from where.
<iframe width="800" height="450" src="https://www.youtube.com/embed/-CLsqiaQ0sQ" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>