what lights are you using?
they seemed abit stretch, are they incandecents?!?!
tbh they're not looking to healthy
once i know what lights you are using i may be able to help
i just moved them under it about 6 inched away from it. they might be under watered.
also the lights i have i got from home depot. they say they only use 75 watts of power but put out 450 worth of light