diff --git a/img/astats_levels.gif b/img/astats_levels.gif
new file mode 100644
index 0000000..d7318ef
Binary files /dev/null and b/img/astats_levels.gif differ
diff --git a/index.html b/index.html
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--- a/index.html
+++ b/index.html
@@ -475,7 +475,7 @@
             </dl>
             <div class="sample-image">
               <h4>Example of filter output</h4>
-              <img src="img/showspectrum.gif" alt="astats example">
+              <img src="img/astats_levels.gif" alt="astats example">
             </div>
             <p class="link"></p>
           </div>