mmand is used to generate images.<br />
        Either compile it from
        <a href="http://sourceforge.net/projects/graphicsmagick/files/">source</a>,
        or use a package manager:
<pre>
[aptitude | port | brew] install graphicsmagick</pre>
      </li>
      <li>
        Install <a href="http://poppler.freedesktop.org/">Poppler</a>.
        On Linux, use <b>aptitude</b>, <b>apt-get</b> or <b>yum</b>:<br />
        <tt>aptitude install poppler-utils poppler-data</tt><br />
        On the Mac, you can