My wife has one of those black boards with little white plastic letters that stick in between folds in the board (sorta like this) that she changes the message on every week or so.
One of my first projects was printing a dickbutt the exact right scale and with the proper little tabs on the back and sticking it up there one night after she'd already gone to bed.
Then I waited.
Bought this letter board on Amazon to hang on the wall behind the taps to display what’s on tap. It’s simple and clean