all u gotta do is アップロード pics to ur プロフィール and then make it ur user icon....and after u have アップロード ur pics u can see three small symbols under them,,,1 is a blue head ,2 is a pencil n 3 is a クロス sign,,,the first one is 4 making it ur user icon,,the 秒 one is 4 editing the image while the third one is 4 deleating the pic,,,,,,,,,,,,,,,,,,hope this helped ,,,,,so gud luck.........