All, I made a video of my situation. I have the LED's wired through an Arduino and I followed the tutorial for the FastLED serial connection. As you can see in the video, madmapper is talking to the arduino, but the LED's aren't coming on. The LED test works fine, but I just get nothing when trying to drive them from madmapper.
Here is a video to the setup:
Thanks for any help you can give me!!