If you could get more/better pictures that would help a lot. Front, rear, and perfectly side view would be helpful as well as closeups of hooves and lower leg.
From this picture, no, I would not use him for breeding.
I can discuss conformation more later, but I'm heading to bed.
I personally am a huge gelding supporter, and geld all my boys, that I can. I believe only the "breathtaking and gorgeous" should be left as stallions, and most horses do not meet my standard. JMHO.