Current: http://imgur.com/QgJTWNp/
Suggested:
http://imgur.com/wRyBD4F/
<center><img src="http://i.imgur.com/wRyBD4F.png" width="55%" /></center>
You have to put the little "i" up front sometimes to make it work.
(don't ask me why)
Just copy the code I've made and post it. It will work. Give it a try