Wiki 
[Demo]: 
            1. With url:  
            Example: 
<img src="https://ipsumimg.dakovdev.com/300x200" /> 
            2. With aliases: 
            first include 
<script src="https://ipsumimg.dakovdev.com/media/js/replace.js"></script> in the footer of the page
            Example: 
<img src="bg300x200" />
            Example: 
<img src="bg150" /> this will create image 150x150
            if the image is in div with already defined 
Width and 
Height just use: 
            Example: 
<div style="width: 300px; height: 200px;"><img src="bg" /></div>