EASTER EGGS ZOMG!
There were several details that I included for the sharp-eyed. Some of them were pretty subtle-- facial expressions, blood splatter directions-- and some were less so.
This page will detail two of the larger, more important of the "hidden" details.
If you want to try to figure it out yourself when you see the piece, you should stop reading this now.
Okay.
Ready?
The first one isn't so much hidden as it is something that the eye slides over. Beneath the autumnal maple tree is a little friend:
The other important hidden feature is in the autumnal tree:
It is a little boy. He is crying for help. He has scampered up the tree to escape the bloodthirsty cattle. This is the reason that the man with the shovel has not run away screaming for his life.