그림사이즈가 171인데
160으로해야 딱맞고..170으로하면 저렇게 틈이생깁니다.
소스 한번 첨부해볼께요.

<?
if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
?>
<link rel="stylesheet" type="text/css" href="<?=$g4[path]?>/sdmenu/sdmenu.css" />

<script type="text/javascript" src="<?=$g4[path]?>/sdmenu/sdmenu.js">
 /***********************************************
 * Slashdot Menu script- By DimX
 * Submitted to Dynamic Drive DHTML code library: http://www.dynamicdrive.com
 * Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
 ***********************************************/
</script>
<script type="text/javascript">
// <![CDATA[
var myMenu;
window.onload = function() {
 myMenu = new SDMenu("my_menu");
 myMenu.init();
};
// ]]>
</script>

<table border="0" cellpadding="0" cellspacing="0">
  <tr>
 <td background="<?=$g4[path]?>/sdmenu/menu_head.gif" width="171" height="6"></td>
  </tr>
  <tr>
 <td background="<?=$g4[path]?>/sdmenu/menu_temp.gif" width="171" height="63"></td>
  </tr>
  <tr>
 <td background="<?=$g4[path]?>/sdmenu/menu_bg.gif" width="171" height="12" valign="center" style="padding:0 3 0 3px;">

 <div id="my_menu" class="sdmenu">
 <?
 $sqlgr = " select gr_id, gr_subject from $g4[group_table] order by gr_1 ";
 $resultgr = sql_query($sqlgr);
 for ($i=0; $rowgr=sql_fetch_array($resultgr); $i++) {
  $sqlbo = " select gr_id, bo_table, bo_subject from $g4[board_table] where gr_id = '$rowgr[gr_id]' order by bo_1 ";
  $resultbo = sql_query($sqlbo);

  echo "<div>\n";
  echo "<span>$rowgr[gr_subject]</span>\n";
  for ($i=0; $rowbo=sql_fetch_array($resultbo); $i++) {
   echo "<a href='$g4[bbs_path]/board.php?bo_table=$rowbo[bo_table]'>$rowbo[bo_subject]</a>\n";
  }
  echo "</div>\n";
 }
 ?>
 </div>

  </tr>
  <tr>
 <td background="<?=$g4[path]?>/sdmenu/powered.gif" width="171" height="20"><script>doc_write(flash_movie("<?=$g4['path']?>/sdmenu/bn.swf", "menuflash", 171, 20, "transparent"));</script></td>
  </tr>
  <tr>
 <td background="<?=$g4[path]?>/sdmenu/menu_tail.gif" width="171" height="6"></td>
  </tr>
</table>