the bio and avatar are now separate. so you can wear a hat on this one. and a tie on the other. however unless he fixed it, if you change it on here, it vanishes on that site.
Roy - the avatar on your gallery page on Pixels is 200px x 200px. That's a perfect size, so take Mike's suggestion and copy it from there. Even if you decide not to use it, copy it anyway - at least then you'll have a backup.