tons of people have done it...search function is your friend.
I've mounted some to the flat part of the bumper in front of the grill. easy to do and run the wires. there's also brackets that mount them in the grill at http://www.4x4fabworks.com/store/
[B]2004 WJ 4.7 - 7in lift[/B]
[SIZE="1"]Rustys Long Arms//Rustys f+r springs//Rustys crossmember
CSL RLCA//Poly D30 bushings//IRO A arm
Skyjacker Nitro's//JKS trackbar//242HD+IRO SYE[/SIZE]
[URL="http://www.jeepforum.com/forum/f197/its-wj-thing-build-thread-2623610/"]My Build Thread[/URL]