Here's how to add code to a post:
As furnished by Clear Sky:
<a href=https://www.cleardarksky.com/c/***********.html>
<img src="https://www.cleardarksky.com/c/**************"></a>
With modifications:
[url=https://www.cleardarksky.com/c/******************.html]
[img]https://www.cleardarksky.com/c/******************[/img][/url]
NOTE: you will need to change the ****************** to the information provide by Clear Sky for your location.