You folks have been hard aqt it. I wish I had more time to follow these threads. Here's some stuff about LEDs that may help choose resistors and such:
Standard 3.6 volts (4.2v)
Green, blue, UV, white, Rainbow, Pink, Purple (3.2) = 60 ohm
Yellow, red, orange (2.0) = 120 ohm
Magnum 6 volts...