My favorite thing in the world XD image - NukemeNOT

So i am in love with command and conquer zero hour from when i frist started playing to usgin the infinte money or skrismhish but i recently discovered Contra is the only mod i can install If u can tell me how to install the Shockwave or the enhanced mod or any good mod for that matter i am all ears XD PLS HELP ME!!!!!!