<table style="border-top:0px solid #eeeeee;" width='100%' cellpadding='0' cellspacing='0' border='0'>
<img src="<?=$board_skin_path?>/imgs/wrs1224.gif" align="absmiddle" border="0">==> 이건 필요한지 모르겠구요
<tr height=45 >

<? for ($i=0; $i<count($listw); $i++) {
// 여기 추가입니다. 
  if($i && $i%2==0){
  echo "</tr><tr>";
  }

$lis6 = explode("|", $listw[$i][wr_6]);

if ($listw[$i][wr_4]) {
 if ($listw[$i][wr_4] == 1) {
  $span_f = "style='color:#484648; font:bold;'";
 }elseif ($listw[$i][wr_4] == 2) {
  $span_f = "style='color:#484648'";
 }elseif ($listw[$i][wr_4] == 3) {
  $span_f = "style='color:#484648; font:bold;'";
 }
} else {
 $span_f = "style='color:#222222;'";
}

 

if ($is_admin == "super") {
 if ($listw[$i][wr_8] < $g4[server_time]) {
  $sty = "style='background:$colors;'";
 } else {
  $sty = "";
 }
}else{
 $sty = "";
}
?>
<td>

<table width=100% border=0>
<tr>       
<td align=center width=110>  <font color= #3B7BB2 >
  <b><?=$listw[$i][wr_name]?></font></b> </td>

<td style="line-height:200%;">
<img src="<?=$board_skin_path?>/imgs/latest_icon.gif">&nbsp;&nbsp;&nbsp;<?=$marquee_f?><a href='<?=$listw[$i][href]?>' <?=$span_f?>><?=cut_str($listw[$i][wr_subject],80,"")?></a>

<br><?if ($lis6[0]==1)echo"천안"; else echo"아산";?> <?=$lis6[1]?>  등록일: <?=substr($listw[$i][wr_datetime],2,8)?>

<br>
<font color= #BBBCBD >분류:&nbsp;<?=$listn[$i][ca_name]?>&nbsp;&nbsp;&nbsp;조회수:&nbsp;<?=number_format($listw[$i][wr_hit])?></font><?=$marquee_e?>
<?=number_format($listw[$i][wr_hit])?>
</td>
</tr></table>

</td>
<? } ?>
</tr>
</table>

이정도로 하셔서 디자인 다듬으시면 될듯합니다.