An arty brain

This is a neuron, done with a colourful watercolour like flare. It's pretty vibrant.

It does look like a neuron, but it wouldn't have come to mind if I hadn't have known. Looks cool anyway.

[Source]

Avengers: Hulk

Right, I guess I'm a little late, but the movie was pretty cool so I'm doing this

Here are the most awesome Tattoos of the Hulk.

And I'll see if I can manage everyone else from the avengers

(hawkeye and black widow posts might be a bit empty tattoo wise)

[source]

Red Hulk!

LOADS, I mean LOADS more Hulk Tattoos after the jump

lets just say there's a variance in quality, but plenty of awesomeness

XKCD

For fans of the comics see if you can work out what panels they're from.

I'll start off easy

yay for graph jokes

"I'm not very good at this":

Even I have no idea what this is from (but google found it for me =] )

and a slightly easier one

Links to the comic strips after the jump