diff --git a/README.md b/README.md
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@@ -4,6 +4,8 @@
 
 *Hacker is a Jekyll theme for GitHub Pages. You can [preview the theme to see what it looks like](http://pages-themes.github.io/hacker), or even [use it today](#usage).*
 
+![Thumbnail of hacker](thumbnail.png)
+
 ## Usage
 
 To use the Hacker theme: