Sorry to get you into a mess. Your link has an ! behind it making it NOT work. Here is a copy/paste template you can use:

<div class="pull-right">https://linktoyourimage/imagefilename.jpg</div>

# Steem-Branded Leather Goods - by @armadilloman
https://steemit.com/art/@armadilloman/second-week-of-armadilloman-s-leather-steem-shop-wear-your-steem-handcrafted-leather-goods

Just replace the image link (example below) and use the remainder of the code just the way it is.
<div class="pull-right">REPLACE THIS PART ONLY</div>