老王賣瓜，自賣自誇

老 = ⺹ + 匕 : Lancelot (l) is showing his respect to grandpa (老) in the aorta's living room (ao3). He's bowing deep and offering a crown (⺹), but grandpa refuses by hitting Lancelot on the head with a ladle (匕).

王 = 一 + 土 : Mnemonic symbol: Martin Luther King. Willy Walrus (wu) is stuck in a heap of dirt (土) in the anglepod's kitchen (ang2). Martin Luther King (王) helps him by holding out a flute (一).

卖 = 十 + ㇖ + 头 : Mahatma Gandhi (m) wants to get rid of his worldly possessions and sets up a flea market in the airplane's bathroom (ai4). He displays a cross (十), a sickle (㇖) and a skull (头) which he wants to sell (卖), so he attached price tags to all of them.

瓜 = ⺁ + 厶 + ㇏ : Gitta Giraffe (gu) inspects the banana trees (⺁) in front of the ashram (a1) every day. One day, she found a very strange banana: she looked at it, and it looked like a melon (瓜). She then poked it with her finger (㇏). It felt like a melon! She then sniffed at it with her fake nose (厶). The banana smelled like a melon (瓜)! What a strange banana, Gitta thought to herself.

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).

夸 = 亏 + 大 : Mnemonic symbol: a quark.

Karl Koala (ku) caught a lucky leprechaun (亏) for his friend the robot (大) and is allowed to have a wish in front of the ashram (a1). He wishes for enough quarks (夸) to build a quantum computer brain for the robot, which the leprechaun fulfills. As soon as it is done the robot starts to solve complicated mathematical problems, and Karl praises (夸) it.