highest / greatest / too (much) / very / extremely
太
=
丶
+
大
:
Mnemonic symbol: from 太后 [tai4 hou4], the empress dowager. The empress dowager prepares for her reign in the airplane's bathroom (ai4) and has a big robot (大) as well as Tecumseh (t) fan her fresh air with petal leaves (丶).
extremely / pole (geography, physics) / utmost / top
极
=
及
+
木
:
As Joan of Arc (ji) and Yuwen Huaji (及) pass over the north pole (及) at Christmas just inside the space station's entrance (Ø2) they decide to celebrate this moment by having a little contest. Between them there is a rather large Christmas tree (木) and they decide that whoever climbs to its top (极) first is the winner.
拳
=
关
+
手
:
Cupid (qu) trains his fist (拳) in the anthill's kitchen (an2). He just started though, so he wants to start easy and just hits a baseball glove (手) he hung on the wall. Unfortunately he hung it right over the anthill's off-button (关) so that upon his first hit the lights go out.