SuperBrightLEDs tail lights and a DDM Tuning 110mm Reverse light.
SuperBrightLEDs Piranha 5mm LED's, custom made.
Super Bright LED's WLED-194 360* bulbs.
eBay special 4LED pods in OEM TJ sound bar light pod.
Lots of things you can do with LED's, inexpensively that is. If you really want to spend money on LED's then you should look at BajaDesigns OnX LED light bars of Rigid Industries E-Series bars.