老鼠拖木锨，大头在后头

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).

鼠 = 臼 + 丨 + 丶 : Sheldon Shrimp (shu) found that there are rats (鼠) in the space station (Ø3), and he wants to get rid of them. In a mortar (臼) pulverizes some petal leaves (丶丶丶丶) and a computer mouse (鼠) grinding with a dinosaur bone three times (丨丨丨). He hopes that the rats like the mixture and the heavy metals used to make the computer mouse will kill the rats.

拖 = 㐌 + 扌 : Tommy Turtle (tu) has to mop (拖) the floor in front of the observatory (o1) but he's just procrastinating (拖). The savage (㐌) even has to drag (拖) him in front of the castle using a toy claw (扌).

木 = 八 + 十 : Mnemonic symbol: a Christmas tree.

Malte Monkey (mu) is setting up a Christmas tree (木) in the bathroom of the space station (Ø4). He decorates the tree with eight-balls (八) and puts a holy cross (十) at the top of the tree.

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.

头 = ⺀ + 大 : Tecumseh (t) is inspecting is depiction in the outhouse's kitchen (ou2). He's depicted as having a skull (mnemonic symbol for 头) head (头) with two petal leaves (⺀) in the eye holes, and having a robot (大) body.

在 = 一 + 亻 + 土 : Zorro (z) and Rosa Luxemburg (亻) exist (在) in the airplane's bathroom (ai4). Rosa is in the middle of balancing a flute (一) on her head and on a pile of clay (土). Zorro uses his rapier to inscribe "Z" into the flute, so as to mark that the pronunciation of "在" begins with "z".

后 = ⺁ + 𠮛 : Mnemonic symbol: Zenobia, Queen of Palmyra. Zenobia (后) and Hamlet (h) want to bake banana bread in the outhouse's bathroom (ou4), but they don't know how. Behind (后) a banana tree (⺁) they study a scroll (𠮛) on which the recipe is written.