bạn need to go to your thông tin các nhân them to your pictures if u never contributed then press đăng tải then get the picture bạn want and it should say below do bạn want this as your Avatar (something like that) and all u have to do is press the box beside it and tada ur all set up! if u still don't understand I will be thêm than happy to make bạn a step bởi step instructions with pictures if it will help uhơn một năm qua