LED toggle switch on ps3 controller?

I solder LEDs into ps3 and xbox 360 controllers for my friends. I finally learned how to put the LEDs in the x,o,triangle, an square buttons but I want to learn how to put a toggle switch on it for my customers so that they can turn off the LEDs when they want. Can anyone help by showing any links or vids or info with me??10 points best answer :D