All very nice, until you try to find out how to do it. All Google searches result in people asking why their screenshots are not working. Trying to navigate to the *one* page that actually tells you how to add a screenshot is not easy.

This article is a case in point - it says "just do it", then provides no link to show how it is done.

Even many other high-ranking articles that say "do add a screenshot, and here are some nice plugins that do", then also fail to tell you how. And they all complain that developers are just not bothering. Why is it so hard?