The result of putting pen(s) to paper/back of receipt without a real idea or cause.

Yes, that is the use of colour!

Couldn’t resist.
Sorry I Guess.

So, this is from an event. It is portrayed poorly. Only a few will realise the full meaning.
Damn, if only tents were easier to draw!

A little spin-off from a suggestion by Chimp!

Chimp and Yeti rockin’ it old skool (with a k!).

All credit to Addicted Geek.