<p>Extended description tags make it possible to have a short description for the album outside the album, a longer description for the album inside the album page, or even 2 distinct descriptions inside the album page.</p>

<h4>&lt;!--more--&gt;</h4>
<p>Only the short description is displayed outside the album. On the album page, you will see short description + long description.</p>

<pre>
short description &lt;!--more--&gt; long description
</pre>

<h4>&lt;!--complete--&gt;</h4>
<p>Only the short description is displayed outside the album. On the album page, you will only see the long description, so you have 2 distinct descriptions.</p>

<pre>
short description &lt;!--complete--&gt; long description
</pre>

<h4>&lt;!--up-down--&gt;</h4>
<p>Only the top description is displayed outside the album.  On the album page, the top description is displayed above the thumbnails, the bottom description is displayed below the thumbnails.</p>

<pre>
top description &lt;!--up-down--&gt; bottom description
</pre>