Your posture needs more help than your suit; unless you're just standing like that for the photographs, the way you carry yourself does not project a shred of confidence.
Chin up, shoulders back; your suit isn't worth a damn if you look meek and introverted while wearing it.
What are you talking about? He looks fine in the first two pictures. In the last one, his head is down but his left foot isn't even on the ground so it's not a good representation of his posture.