See typography from this markdown
This is the code you need to align images to the left:
<img align="left" width="100" height="100" src="http://www.fillmurray.com/100/100">
This is the code you need to align images to the right:
<img align="right" width="100" height="100" src="http://www.fillmurray.com/100/100">
<p align="center">
<img width="460" height="300" src="http://www.fillmurray.com/460/300">
</p>