[Murtific]

	$chan = mysql_query("SELECT * FROM channels ORDER BY chan ASC", $connection);
	while ($list = mysql_fetch_array($chan)) 
	{
	$chanList .= $list['gid']."<br />";
	$chanGid .= $list['chan']."<br />";
	$chanAcc .= $list['access']."<br />";
	$zlist.= "<option value='".$list['gid']."'>".$list['gid']."</option>";
	}

then..

$templater->register('zlist',$zlist);

then in the template..

<select name="derp" size="2">{vb:raw zlist}</select>