Well here is my 75 g tank just setup about a week ago . I was running 2 aquaclear 70's but i have a rena xp4 on it now, 1x250w ebo/jagger heater.
black river sand for substrate and river rocks.. 1x48 inch dual bulb 65w light
fish is 6x niggrippinnis
8x neolamprologis stappersi
hope you enjoy the pics