So, this works if accessed via myazureproj.azurewebsites.net but NOT if I get there via a CNAME www.mydomain.com pointed to azurewebsites.
<p>
<a href="http://www.smartwool.com/">
<img border="0" alt="Smartwool " src="/Ads/smartwool.png">
</a>
</p>
File is local to the iis. All I found here was about things that weren't? Trying to display ads for an event-in-progress so it'd be swell to find a quick fix.