girl insulting some other girl's feet
A girl tells her twin sister that her feet are messed up. As if she didn't already know; she's WALKING on em for Pete's sake!!
a stick figure questioning life
A twig has a moral dilemma as its compatriot attempts to assist its conclusion along.
A twig offering a branch a joint
2 trees
TREES.
some sort of graph involving roots and leaves
Line graph
Doodle or Die is the game of "telephone" with drawing!