https://perchance.org/comments-plugin-oncomment-example
Simple: Allow users to add a URL at the end of their nickname, which is hidden from their displayed nickname, but used as an avatar pic.
According to the tutorial, it is suggested to be simple. But because I am a newbie, I won’t even able to do it after explained like I was five.
It seems if we want to preserve the original comment bubble and style (timestamp, block, reply…etc…) It’ll be something really not easy.