I just can't comment about one. I have to comment about them all cause this is just fdksahdfjagdfs!!

Russia - Holy shit, who knew he can be something other than cute. I would love to see his full new uniform though. O.O
England - Please smile more. <3
America - I love how he's being all serious in this picture. That's something you don't get to see often and I like.
France - It's just something about is facial expression I really like.
China - Same thing I said for England. Smile more, please. <3