The landing lights are pop-outs so I positioned the new lights in front of them. I got the ones along side the fuselage as close as I could in order to avoid ribbing.

What it actually looks like:
http://www.simviation.com/yabbuploads/C ... 09_800.jpg
Wish I could get it to do this:
http://www.simviation.com/yabbuploads/C-17Antartica.jpg
I've also added a nav light on the back of the tail (it's actually located just behind the bottom of the tail) as well as lights on the wheel bays (done before I did the landing lights) which I can control with the taxi light switch:
