The 1080p screencaptures for episode 6×01, Borrowed Time, have been added to the gallery! Many thanks to Kanarek for providing them.
Also, Daclaren has found an insane number of HQ promo stills from all seasons, including a great number of previously unseen pictures. Check them out in the White Collar gallery!
Finally, all screencaptures from Season 4 have been added too.