I used to post a nice picture here and there. It tends to take off the cognitive load, at least for a few seconds, relaxing incessant thought by switching over to the visual system for a bit. There is much more to say about it of course.
I might try dropping a few images without comment, or with a word or two, or perhaps juxtapose them with other conceptual illustrations. We'll see how it goes.
Here is a nice cactus.
With, as you can see, a greater concentration of pricks at the very top. Heh.