vrkelley, these are the LEDs I am using now for "running lights" and will be turn signals after I get the wiring done this weekend (I hope!).
The first image shows the LED module and my LED beehive.
The white pipe is 1" id plastic.
This is the LED sign module I bought from
BG Micro. They had a plastic hood I cut off.
I just discovered they get warm--I don't think that will be a problem if I just use them as turn signals. I have trying to figure out a way to use them as running/tail lights and as turn signals, just don't know if I can do it without re-wiring the entire bike! The wiring has gotten so complicated I had to draw a wiring diagram to keep things straight. Anyway, hope this helps. BTW, these LED modules are rated 12 - 15 volts and draw 90mAh.