The Sammons and Peterson books led me deep into the Actions and Channels palettes. Here is one of the first results. I might never have got the Nik, if I had figured this out. Tip: look for the tiny triangles in the upper right hand corner of the palette, which open up new menus.
I am continuing this as a sort of diary, because I haven't ascertained who the possible audience is. Another UPS package was delivered behind the pot and watered. But the books were only damp, not wet.