- Start off by uploading the image the regular way with an image card
- Copy the URL for the image that’s now been uploaded
- Delete the image card
- Create an HTML card and insert the following code:
<figure>
<a href="YOUR-LINK-GOES-HERE">
<img src="THE-IMAGE-URL-THAT-YOU-COPIED-GOES-HERE">
</a>
<figcaption></figcaption>
</figure>
That’s it. If I’m not mistaken I’d guess that this setup won’t take advantage of any of the image responsiveness functionality. But it’ll work for what you want.