Here ya go... picture isn't the greatest, but then again, neither is the wiring...

Most of the wire here is from an UltiMarc wiring kit, thus all the multiple colors... if my memory serves there's also some Home Depot bell wire in there. And yes, I did keep the hacked mouse board attached to the bottom of a mouse, and then just screwed it onto the bottom of the CP. Sue me...
Since these pictures were taken, I added a brighter USB LED lamp to better illuminate the trackball. And since somebody is bound to ask, I also included a pic of the lid closed, in "firing position"...