The custom title can be changed in the account details.I noticed the text under our user name to the left seems to be uncustomizable, and appears to be related, in some capacity to the customization options from the previous forum (some people have it, some don't). It's not the end of the world, of course, but I do miss my "Sylph Sword" title
Yes, it's a square. Just upload it again and I believe you'll be able to set how it's cut.Incidentally, what is the aspect ratio of the avatar image these days? I assume it's just a square. I'd like to see about adjusting mine so Grail's art isn't cut off.