Given what appears under your name, I do wonder whether you should be moving threads and making judgements about others. It seems strange if you are then moderating other posts.
Fair dos. I had avatars switched off and therefore I forgot I had that one from before I joined the team. You are correct and I agree it was inappropriate for a mod. I've deleted it now.
That said, a tiny thumbnail pic will never affect my judgement of what's inappropriate content and accusations that it might aren't very welcome.