How to use SSH tunnels with pgAdmin?

<div class="Section1"><p class="MsoNormal"><font face="Verdana" size="2"><span style="font-size:10.0pt;
font-family:Verdana">I’m suffering from a lot of dropped connections between pgAdmin and my PG databases, even after
verybrief inactivity.</span></font><p class="MsoNormal"><font face="Verdana" size="2"><span style="font-size:10.0pt; 
font-family:Verdana"> </span></font><p class="MsoNormal"><font face="Verdana" size="2"><span style="font-size:10.0pt;
font-family:Verdana">Your documentation at <a
href="http://www.pgadmin.org/support/faq.php#ConnDrop">http://www.pgadmin.org/support/faq.php#ConnDrop</a>
says:</span></font><pclass="MsoNormal"><font face="Verdana" size="2"><span style="font-size:10.0pt; 
font-family:Verdana"> </span></font><p class="MsoNormal"><font face="Verdana" size="2"><span style="font-size:10.0pt;
font-family:Verdana">…you could use a SSH tunnel for PostgreSQL traffic. SSH can be configured to keep the channel open
atall times, so that database traffic can be passed even after a prolonged period of inactivity. For information how to
configurethis, ask your SSH package's documentation for "tunneling".</span></font><p class="MsoNormal"><font
face="Verdana"size="2"><span style="font-size:10.0pt; 
font-family:Verdana"> </span></font><p class="MsoNormal"><font face="Verdana" size="2"><span style="font-size:10.0pt;
font-family:Verdana">My problem is, I don’t know how to set up pgAdmin to use my SSH package (PuTTY).  At least I think
that’smy problem.  Can you help?</span></font><p class="MsoNormal"><font face="Verdana" size="2"><span
style="font-size:10.0pt;
font-family:Verdana"> </span></font><p class="MsoNormal"><font face="Verdana" size="2"><span style="font-size:10.0pt;
font-family:Verdana">~ TIA</span></font><p class="MsoNormal"><font face="Verdana" size="2"><span
style="font-size:10.0pt;
font-family:Verdana">~ Ken</span></font></div>