妄自尊大

妄 = 亡 + 女 : Willy Walrus (w) wants to resurrect Bessie Coleman (女) who is buried in the anglepod's bathroom (ang4) so he lifts her tombstone (亡), but his dream is just absurd (妄).

自 = 丶 + 目 : Mnemonic symbol: a hand mirror, which someone uses to look at themselves.

The Eye of Providence (目) is looking at itself (自) in a handheld mirror (自) in the space station's bathroom (Ø4). It think it's indeed looking very good, since Zorro (z) attached a petal (丶) to its eye (目).

尊 = 寸 + 酋 : Mnemonic symbol: a wise old honorable sage.

Zapatista Zebra (zu) asks a honorable sage (尊) and a chieftain (酋) whether or not he should continue his path in front of the encampment ((e)n1). The chieftain gives him the thumbs up (寸), but the sage holds his thumb down.

大 = 一 + 人 : The big (大), huge (大) robot (mnemonic symbol for 大) is working out in the ashram's bathroom (a4). He's lifting a flute (一) to which Don Quixote (d) and Neanderthal man (人) are clinging.