How to change Move and Attack icons?

How do I change the ''move'', ''patrol'', ''Hold position'' , ''attack'' , ''stop'' ..etc..icons with custom ones, I know how to download custom ones but i don't know how to replace them, also can anyone tell me how do i change the icons of the damage type like ''hero'' , ''normal'' , ''pierce'' , ''chaos''..etc..
Thanks for your time,
I hope I didn't disturb you..

Go to Advanced -> Game Interface.
Scroll to Icon - Command - ... for Icons concerning commands and Icon - Atttack type - ... for icons concerning the interface icons.