Ok, so when I signed up, my grandboy was a couple of days old. He is growing so, so fast. I used the photo of him at the time and now want to change. Problem being, no way of changing this on the seetings area. How long is it until a member can change the avatar?

Ok, so when I signed up, my grandboy was a couple of days old. He is growing so, so fast. I used the photo of him at the time and now want to change. Problem being, no way of changing this on the seetings area. How long is it until a member can change the avatar?