So this is what you can get done in about 60mins, after your kids are in bed.
I tried to post the pics, but even in the test forum, they won't show... I'm using imageshack. And I think I read somewhere, I need to surpass 100 posts to edit?
rumage through box of doodads from previous projects
http://img101.imageshack.us/i/dscn3027h.jpg/
make up doodads with correct resistors
http://img64.imageshack.us/i/dscn3021k.jpg/
remove cupholders and locate where to install LEDs, use drill bit to match 3mm LED size
http://img10.imageshack.us/i/dscn3018l.jpg/
test angle with electrical pointy thing
http://img413.imageshack.us/i/dscn3019b.jpg/
http://img341.imageshack.us/i/dscn3020w.jpg/
test fit LEDs
http://img13.imageshack.us/i/dscn3022j.jpg/
test light LEDs off drill battery
http://img706.imageshack.us/i/dscn3025a.jpg/
hot glue LEDs in place
http://img121.imageshack.us/i/dscn3026d.jpg/
test glow off drill battery before reinstall into car
http://img442.imageshack.us/i/dscn3028.jpg/
test glow after wired to cig lighter light - interior light on
http://img682.imageshack.us/i/dscn3032r.jpg/
interior light off
http://img7.imageshack.us/i/dscn3033kp.jpg/
drink a beer
link to album: http://img7.imageshack.us/g/dscn3033kp.jpg/