wow, nice tank! Do you have issues with evaporation on such a small tank or does the lid cut down on that?
As for the lighting we're all different. I'll let the other guys speak for their tanks. I have a 150w HQI Halide over my tank. It's a 14k bulb. The bulb is pretty old and needs replacing, but I hate to put more money in the tank right now. I could also use some more actinic, (the other guys don't think so, but I really like the actinic), but I'm not sure the best way to implement it. Right now I have one blue moon light with two blue leds. I thought about just adding one or two more of those and seeing if that helped.