@susanne-kasimir thank you for your suggestion. Yes, I could do this. And have done for many of my journal posts, e.g. Comparisons of Nephele moths:
(You can see more in My journal posts)
But what I’m trying to do with this particular journal post is show people how to add images to their posts if they have no html or graphics experience. This allows them to link to images in their posts without too much hassle.