One second, Clare, let me make sure this actually works:
Edit: Nope, you can’t post images and make them show up. Uhm, what?
Okay that works, and I would love to show you how, but unless you know how to do HTML + get the source of the original image, most people (99% of this forum) won’t be able to do it.
There is no image tag what-so-ever on discourse. I guess you should add that to the feedback page. Sorry guys.