depending who you want to allow to post with HTML use the embed method from imgur
Code
<blockquote class="imgur-embed-pub" lang="en" data-id="a/oZ17LsO" data-context="false" ><a href="//imgur.com/a/oZ17LsO"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>


Blue Man Group
There is no such thing as stupid questions. Just stupid answers