Buggy cursor
I think I know what happened. I like the lioness standing on rock in the "Dangerous Creatures". I must have clicked on the Dangerous Creatures Theme tab, rather than the Desktop tab. So I got pufferfish, bees, tarantulas, and other poisonous creatures for icons and cursors. So I cancelled the theme and just went with the desktop picture.
But I still don't like the dark background surrounding the icon text.
Anyway, I think we can call this
solved.
If only all computer problems could just be solved so quickly. . .