Another crack at it....
Nice bow
Yeah, it can be really annoying. But once you find a way to get it working it shouldn't be too bad
[img]https://imgur.com/a/HfCkZ[/img]
The problem is the URL inside the img tags. It's a link to an album/post with one image on it - "/a/HfCkZ", not an individual image. You have to do the hold on the image and copy link.
This is what it should be -
[img]https://i.imgur.com/QpUKYwb.jpg[/img]
but I guess links to a gallery work too. So I guess photos.google.com albums could also be fine, especially if they have no ads. Site owners don't really want links to sites with ads..