The battery holder isn't very elegant, but oh well. This thing switches the channels on my DC10 (1 and 2) and pops the EQ in and out. And, the LED's are JoBo Bright.
Also, here's the schematic for the LED's I was working with:
…Which, btw, I designed with this site…
Circuit Simulator Applet
The values for the LED's aren't correct in the app, but I was mainly using it to get my paths right. I already calculated the right values of the resistors for my LED's.