不外乎

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

外 = 夕 + 卜 : There's a hole in the wall of the airplane's bathroom (ai4), and from outside (外), a bat (夕) wants to enter. Willy Walrus (w) is very afraid of bats, so he does his best to hinder the bat from entering with a voodoo staff (卜).

乎 = 丿 + 䒑 + 亅 : Helga Horse had too much weed in front of the space station. She thinks that she's eating a banana, but she's just munching on a crowbar. Moreover she's under the impression that she's a chubby and is very astonished.