Example of showing an image in a Bootstrap popover

bootstrap_popover.html

<!-- You'll need to add all the Bootstrap stuff for this to work -->
<p>Click <a href="#" id="popover-link" data-toggle="popover">here</a> to see an image in a popover.</p>
<script>
    window.onload = function () {
        $("#popover-link").popover({
            content: '<img src="https://via.placeholder.com/200x200" width="200" height="200" />',
            trigger: "focus",
            html: true
        })
    };
</script>