I am trying to properly wire my new double pole thermostat but I can't determine where the ground copper wires get connected and the installation instructions are terrible. Does anyone have a thought!

Can't read minds. You can post a pic using "go advanced/manage attachments".

No clues, like wire colors?
Are you using a metal box?
Is there a screw by itself painted green?
Is there a green wire?

After a little trial and error I finally got it figured out.