added support for cover images in lists

exampleSite/content/docs/_index.md

@@ -12,8 +12,6 @@ cascade:
 Simple, yet powerful. Learn how to use Blowfish and its features.
 {{< /lead >}}
 
-![Featured Blowfish image](featured.png)
-
 This section contains everything you need to know about Blowfish. If you're new, check out the [Installation]({{< ref "docs/installation" >}}) guide to begin or visit the [Samples]({{< ref "samples" >}}) section to see what Blowfish can do.
 
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