It's the out of frame and/or slightly off center avatars.
Take this one for example and notice the left foot

And this one

Clearly edited in Photoshop, yet the user was too lazy to properly fit it into the frame?
No, this is a message. Also the last one calls itself: "Megawarrior" they are openly mocking you like Black Chamber.
Who also had a slightly out of frame avatar, and surely a skilled OP editor could've properly framed it???
