150 Watt Hps Grow Room Ideas/ Designs

I have two seedlings going and everything is going to so far. I havent hooked my hps up yet because i do not have a fan so they are just vegging under two flors. Thanks so much for the Help It can be Stleath or not

Here's my cab from my previous grow: https://www.rollitup.org/indoor-growing/250746-hello-everyone-my-1st-grow.html

I wana seee pics