It's clearly urine, cascading from some blue backdrop (possibly the sky) onto some grey landscape (possibly cement, this is all speculation)

Blue stick figure in a purple cloud, with these horn things on its head about the size of its legs. There is a 420 reference here somewhere.

"Homestuck." Yeah, "Homestuck." Tell you what, doodler, you can draw whatever you want, and as long as its not homestuck or mlp, we're good.

Polar bear in a snowstorm, essentially. Man, whats with all the "young talent" these days? Old Masters like de goya would be ashamed, I bet.

Hey Fatty you'd better slow the fuck down on those hot dogs or you're gonna be dead because gluttony is a sin and god will strike you down.

We've seen this before. There is a man holding a chicken ready to push it into a donkey's behind. The chicken shoots rainbows. Get creative.

Dear Doodler, you cannot falter. You cannot be shaken. There is too much at risk. For the sake of the world, Dear Doodler, you MUST draw the

NO JESUS ALLOWED

YEAH FUCK YOU JOHN. YOU AND YOUR FUCKING FUCK FACE. GOD YOU'RE ANNOYING.

Poor stickdude is sliding off a cliff into a group of some zombies, or ogres, or some green humanoid he probably wants to avoid. Or embrace?

We all know Santorum, that Anti war government niguhuh uh uh ahem hey lets talk about something else entirely. Hey doodler draw some nachos!

Look at the raw emotion in his eyes as this man finds himself torn between the pain of a love lost and the pain of fucking a porcupine.