Rav avigdor miller writes that even though there were gedolim who were against it, there are tremendous benefits to having pictures of tzadikim in one’s house… He also criticizes Judaica stores for selling pictures of zionist leaders.
Rav belsky had several pictures in his house, not just his office, of rav reuven, rav yaakov, and i believe rav shlomo heiman, but i don’t remember that very clearly.
Rav boruch ber didn’t like getting his picture taken, but one time he met an American jew whose parnosa was in photography. To support a yid, he put on his hat, made a big smile and posed for a picture