게시판 썸네일 크기 변경

<li class="gall_href">
                    <a href="<?php echo $list[$i]['href'] ?>">
                    <?php
                    if ($list[$i]['is_notice']) { // 공지사항  ?>
                        <strong style="width:<?php echo $board['bo_gallery_width'] ?>px;height:<?php echo $board['bo_gallery_height'] ?>px">공지</strong>
                    <?php } else {
                        $thumb = get_list_thumbnail($board['bo_table'], $list[$i]['wr_id'], $board['bo_gallery_width'], $board['bo_gallery_height']);

                        if($thumb['src']) {
                            $img_content = '<img src="'.$thumb['src'].'" alt="'.$thumb['alt'].'" width="'.$board['bo_gallery_width'].'" height="'.$board['bo_gallery_height'].'">';
                        } else {
                            $img_content = '<span style="width:'.$board['bo_gallery_width'].'px;height:'.$board['bo_gallery_height'].'px">no image</span>';
                        }

                        echo $img_content;
                    }
                     ?>
                    </a>
                </li>