This One Tree Hill photo contains
business suit.
There might also be
well dressed person, suit, pants suit, pantsuit, dress suit, full dress, tailcoat, tail coat, tails, white tie, white tie and tails, suit, and suit of clothes.
Heres the promo for episode 509 of One Tree Hill entitled 'For Tonight You're Only Here To Know'.
This video is from the UK, One Tree Hill source Visit Tree Hill which can be found at link