Try to use Pilovali's web site I hope I helped you
Make sure you add ".png" in the imgur link. I will post a screenshot of my profile setup so you can see and hopefully make it as you wish. In signature you can use bbcode tags. http://imgur.com/gallery/lbVyA7s
While making a topic, name the topic title based on what your problem is. Do not name it "Question", "Help" etc.