Note that the link above uses an iframe in the code. You can ignore this and just enter your downloads HTML.

Code
{$tbopen}
<tr><td class="lefttdheader">
Downloads
</td></tr>
<tr><td class="alt-1">
<table align="center" width="98%" cellpadding="6" cellspacing="0">
<tr><td class="alt-1" valign="top">

YOUR DOWNLOAD HTML GOES HERE

</td></tr></table>
</td></tr>
{$tbclose}