Does he have the landowners permission to be on the land? If not and i realize that this is going to open up a rather large can of worms have the landowner talk to him then if it happens again have him charged with trespass. Hope your on better terms with the landowner than your stepdad.
i think he should stay away because you will never kill that big buck if he keeps going around the stand cause when that deer gets within at least 1 to 200 yards from your stand and he smells the odors chances are that buck will never return until the smells are gone. he will come in time to time but it won't be within even rifle range so tell him to stay away from the stand.
Everyone has different ideas about trophy pictures. Looks around and you will see "long armers," "set behinders," "big cheesers," and "blood covered brutes." I have a few tips to keep your trophy pictures from being laughers or worse yet just plain gross.
#1 Clean it up. Try to avoid bullet holes, gut pile, mass amounts of blood, and the tongue sticking out. You don't want your big buck to look like a angry 1st grader with his tongue out or a MMA fighter during the 3 round.
#2 Long arming...