썸네일 어떻게 가져오나요?

<?phpif (!defined('_GNUBOARD_')) exit;   // 썸네일include_once(G5_LIB_PATH.'/thumbnail.lib.php'); $imgwidth = 250; //표시할 이미지의 가로사이즈$imgheight = 160; //표시할 이미지의 세로사이즈  // 인기글 추출// $cache_time 캐시 갱신시간function latest_popular($bo_table, $rows=5, $subject_len=5, $term='', $options=''){    global $g5; 	switch($term){		case '일간': $term_time = date("Y-m-d H:i:s", G5_SERVER_TIME-3600*24*30); break;		case '주간': $term_time = date("Y-m-d H:i:s", G5_SERVER_TIME-3600*24*7); break;		case '월간': $term_time = date("Y-m-d H:i:s", G5_SERVER_TIME-3600*24*30); break;	}         $list = array();      if($bo_table){	//각 게시판 출력		$sql = " select * from {$g5['board_table']} where bo_table = '{$bo_table}' ";        $board = sql_fetch($sql);        $bo_subject = get_text($board['bo_subject']);         $tmp_write_table = $g5['write_prefix'] . $bo_table; // 게시판 테이블 전체이름		$sql_between = " wr_datetime between '$term_time' and '".G5_TIME_YMDHIS."' ";        $sql = " select * from {$tmp_write_table} where wr_is_comment = 0 and {$sql_between} order by {$options} limit 0, {$rows} ";        $result = sql_query($sql);        for ($i=0; $row = sql_fetch_array($result); $i++) {            $list[$i] = get_list($row, $board, $latest_skin_url, $subject_len);        }    }else{	//전체 게시판 출력        $sql_between = " a.bn_datetime between '$term_time' and '".G5_TIME_YMDHIS."' ";       $sql_common = " from {$g5['board_new_table']} a, {$g5['board_table']} b where a.bo_table = b.bo_table and b.bo_use_search = 1 and a.wr_id = a.wr_parent and {$sql_between} ";       $sql_order = " order by a.bn_datetime desc ";        $sql = " select a.*, count(b.bo_subject) as cnt {$sql_common} {$sql_order} limit 0, {$rows} ";       $row = sql_fetch($sql);	           if($row[cnt] > 0){		$sql = " select a.*, b.bo_subject {$sql_common} {$sql_order} limit 0, {$rows} ";	       $result = sql_query($sql);		       for ($i=0; $row = sql_fetch_array($result); $i++){			$tmp_write_table = $g5['write_prefix'].$row['bo_table'];			$bo_table = $row['bo_table'];				 if($i > 0)			 $sql2 .= " union ";			 $sql2 .= "(select '{$bo_table}' as bo_table, wr_id, wr_subject, wr_hit, wr_good from {$tmp_write_table} where wr_datetime between '{$term_time}' and '".G5_TIME_YMDHIS."') ";	       }			$sql2 .= " order by ".$options." limit 0, 10";			$result2 = sql_query($sql2);				 for ($i=0; $row2 = sql_fetch_array($result2); $i++){		    $list[$i]['href'] = G5_BBS_URL.'/board.php?bo_table='.$row2['bo_table'].'&amp;wr_id='.$row2['wr_id'];		    $list[$i]['subject'] = $row2['wr_subject'];		 }	   }     }     ob_start();?> <style type=text/css>.lt_full {position:relative;float:left;padding-bottom:5px;width:100%;height:18px;border:0px solid #e9e9e9}.lt2 {position:relative;float:left;padding-bottom:5px;width:190px;}.lt2 ul {margin:0 0 0 0;padding:0;list-style:none}.lt2 li {padding:0;}</style> <div class="lt_full"><div class="lt2">    <ul>    <?php for ($i=0; $i<count($list); $i++) {  ?>        <li>          <!-- 이미지 썸네일 -->              <div class="img">				<a href="<?php echo $list[$i]['href'] ?>">					<?php                				//	$thumb = get_list_thumbnail($bo_table, $list[$i]['wr_id'], $imgwidth, $imgheight);    							$thumb = get_list_thumbnail($list[$i]['bo_table'], $list[$i]['wr_id'], $thumb_width, $thumb_height); 												//	$thumb = get_list_thumbnail($bo_table, $list[$i]['wr_id'], $thumb_width, $thumb_height);													            					if($thumb['src']) {					$img_content = '<img class="img_left" src="'.$thumb['src'].'" alt="'.$list[$i]['subject'].'" width="'.$imgwidth.'" height="'.$imgheight.'">';					} else {					$img_content = 'NO IMAGE';					}                					echo $img_content;												               					?>				</a>			           <!-- 이미지 썸네일 -->                                                   <?php            echo "<a href=\"".$list[$i]['href']."\">";				echo "<img src='".G5_URL."/img/num_".($i+1).".gif'> ";              //  echo "<strong>".$list[$i]['subject']."</strong>"; echo conv_subject($list[$i]['subject'], 17, "…");             //  if ($list[$i]['comment_cnt'])            //    echo $list[$i]['comment_cnt'];             echo "</a>";             ?>        </li>    <?php		if (($i+1)%($rows/10)==0) echo "</ul></div><div class='lt2'><ul>";		}	?>    <?php if (count($list) == 0) { //게시물이 없을 때  ?>    <li>게시물이 없습니다.</li>    <?php }  ?>    </ul></div></div> <?	$content = ob_get_contents();    ob_end_clean();     return $content;}?>  <style>.tab_list ul{position:relative;margin:0;padding:0;border:0px solid #ccc;font-family:Tahoma, Sans-serif;font-size:12px;list-style:none;*zoom:1}.tab_list ul:after{display:block;clear:both;content:""}.tab_list li{float:left;margin-bottom:-1px}.tab_list li a{float:left;position:relative;border:0px solid #eee;border-bottom-color:#ccc;background:#fafafa;color:#666;text-decoration:none}.tab_list li a span{display:inline-block;padding:6px 15px 6px 25px;letter-spacing:-1px;cursor:pointer}.tab_list li ul{display:none;position:absolute;top:35px;left:0;width:100%;margin:0;padding:0px 0 0 0;border:0;list-style:none;*zoom:1}.tab_list li li{float:none;position:relative;border:0px solid #eee;margin:0 0 0 0;padding:0;color:#999}.tab_list li li a{float:none;margin:0;padding:0;border:0 !important;background:transparent;font-weight:normal;color:#333 !important;letter-spacing:normal;}.tab_list.m1 .m1 a,.tab_list.m2 .m2 a,.tab_list.m3 .m3 a,.tab_list.m4 .m4 a,.tab_list.m5 .m5 a {margin-top:-1px;border:0px solid #ccc;border-bottom:0px solid #fff;background:transparent;color:#333;}.tab_list.m1 .m1 a span,.tab_list.m2 .m2 a span,.tab_list.m3 .m3 a span,.tab_list.m4 .m4 a span,.tab_list.m5 .m5 a span{padding-top:7px;font-weight:bold}.tab_list.m1 .m1 ul,.tab_list.m2 .m2 ul,.tab_list.m3 .m3 ul,.tab_list.m4 .m4 ul,.tab_list.m5 .m5 ul{margin-top:-20px;display:block}</style> <div class="tab_list m1"><ul>  <li class="m1">타이틀 제목<ul>  <li>             <?php echo latest_popular($bo_table, 20, 10, '일간', 'wr_hit desc'); ?></li></ul></li>   </ul></div> <script type="text/javascript">jQuery(function($){	var tab = $('.tab_list');	tab.removeClass('js_off');	tab.css('height', tab.find('>ul>li>ul:visible').height()+40);	function onSelectTab(){		var t = $(this);		var myClass = t.parent('li').attr('class');		t.parents('.tab_list:first').attr('class', 'tab_list '+myClass);		tab.css('height', t.next('ul').height()+40);	}	tab.find('>ul>li>a').click(onSelectTab).focus(onSelectTab);});</script> <div style='height:15px;'></div>