Add this code to make the thumbnail or link text to be the action of the popup
<p><img data-bs-target="#exampleModal" data-bs-toggle="modal" src="IMAGE URL GOES HERE" class="d-block img-fluid mx-auto"></p>
Add this code to the bottom of the source code
<div aria-hidden="true" aria-labelledby="exampleModalLabel" id="exampleModal" style="display: none;" class="modal fade"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"><button aria-label="Close" data-bs-dismiss="modal" type="button" class="btn-close"></button></div> <div class="modal-body"> <div class="ratio ratio-16x9"><iframe allowfullscreen="allowfullscreen" height="autopx" src="EMBEDED VIDEO LINK GOES HERE" width="autopx" style="border:none"></iframe></div> </div> </div> </div> </div>