apart from the floor giving you eye cancer its cool :P
also the lights on the celing, you need to put lights like that either need a light you have mapped onto the celing so its not like theres light comming from nowhere, or dont put them ON the celing just move them slightly down. and im guesing there all lights not light_enviroment so you could just have 1 light_enviroment that wouldnt create that really bright effect on the wall.
well at least im guesing thats wht thoes bright things are