霜
=
相
+
雨
:
The ent (相) wants to eat Sheldon Shrimp (shu) in front of the anglepod (ang1), and before he devours him he adds frosting (霜) to Sheldon's shell. Unfortunately it starts to rain (雨) and the whole frosting is washed off.
相
=
木
+
目
:
Mnemonic symbol: I take "eye" and "tree" as resembling an ent, an alive tree. Xi Shi (xi) portrays (相) an ent (相) in the anglepod's bathroom (ang4). Unfortunately she's really bad at painting, and her portrait resembles more a Christmas tree (木). The Eye of Providence (目) enters and, just from the shape of the Christmas Tree, instantly recognizes its own portrait (相).
雨
=
下
+
丶
+
冂
:
It is raining inside of the space station, and because of zero gravity, it is raining in every direction. Yu the Great can't just hide under a ladder covered with petal leaves, she also has to tug herself in a few maps.