LED Underglow

I just got an LED underglow kit for my 98 EX and was wondering if any of you guys have installed these on this model before. I am really good at electrical with my car (Under dash lights, and speakers personally installed). There are mounted under the car...the sides and front don't look to difficult in mounting. I can just drill some holes and hang them with Zip Ties. When I come around to the back of the car the spare tire storage hangs down. I dont want my bulbs to show and I reall don't want to drill into that metal. Any help would be greatly appreciated.

Thanks

Yea you don't want to drill anything under the car, specially the back. Gas tank is near there, don't want to drill through that would you? You can drill under the bumper cover. If you don't want the light to stick out, try install it inside the bumper cover? Though you would have to cut a long slot for light to beam down and hit the ground. I have my installed behind the bumper, but I have body kit so plenty of room to install things on to it.