悔
=
忄
+
每
:
Helga Horse (hu) regrets (悔) having eaten that cake. In the Eiffel Tower (ei3) she punishes herself with a flail (忄) and by working out (每).
改
=
己
+
攵
:
Guy Fawkes rose to power in the airplane and the first thing he wants to do is to change the throne. He used a butcher's hook to scratch the jewels out of the golden throne. Now he uses a sledgehammer to change the throne into a new form, that is, a pile of garbage.