What are the rules you employ during a campaign to make EB more realistic/balanced/harder/easier?

Mine are as follows:

No cheating except the occasional toggle_fow when I cant be bothered to spend 10 turns looking for the settlement I'm after in the steppe

No corner-defences in the battles, where you go to a corner of the acsessable battlemap and place your troops accross it so your flanks are covered.

No building large stone walls, or using siege towers on them, as theyre unrealistic.

Thats about it, what rules do you lot use?