you can always tweak things as you grow to improve mate but for their age, they look pretty dam fine to me 
I've tried to keep as much leaf matter as possible but also by keeping airflow as much as I can. Old faithful fan shat itself yesterday so a new one was on the cards as i hate mould more then anything. I just wish they would rock up abit but only running a max of 300 watt in the tent I can't expect too much.