diff --git a/bbs/delete.php b/bbs/delete.php
index 5c6bf8aa9..eea6cb217 100644
--- a/bbs/delete.php
+++ b/bbs/delete.php
@@ -65,7 +65,7 @@ if ($row['cnt'] >= $board['bo_count_delete'] && !$is_admin)
 
 // 나라오름님 수정 : 원글과 코멘트수가 정상적으로 업데이트 되지 않는 오류를 잡아 주셨습니다.
 //$sql = " select wr_id, mb_id, wr_comment from $write_table where wr_parent = '$write[wr_id]' order by wr_id ";
-$sql = " select wr_id, mb_id, wr_is_comment from $write_table where wr_parent = '{$write['wr_id']}' order by wr_id ";
+$sql = " select wr_id, mb_id, wr_is_comment, wr_content from $write_table where wr_parent = '{$write['wr_id']}' order by wr_id ";
 $result = sql_query($sql);
 while ($row = sql_fetch_array($result))
 {
@@ -100,6 +100,9 @@ while ($row = sql_fetch_array($result))
             }
         }
 
+        // 에디터 썸네일 삭제
+        echo delete_editor_thumbnail($row['wr_content']);
+
         // 파일테이블 행 삭제
         sql_query(" delete from {$g4['board_file_table']} where bo_table = '$bo_table' and wr_id = '{$row['wr_id']}' ");
 
diff --git a/head.php b/head.php
index 3a2cb37b0..2ce70c5da 100644
--- a/head.php
+++ b/head.php
@@ -112,8 +112,10 @@ include_once(G4_LIB_PATH.'/popular.lib.php');
             $cr_path = g4_path();
             if($contrast_use == 'on') {
                 $cr_uri = $cr_path['curr_url'].'?contrast=off';
+                $cr = "ON";
             } else {
                 $cr_uri = $cr_path['curr_url'].'?contrast=on';
+                $cr = "OFF";
             }
             if($_SERVER['QUERY_STRING']) {
                 $query_string = preg_replace("/contrast=(on|off)&?/", "", $_SERVER['QUERY_STRING']);
@@ -123,7 +125,7 @@ include_once(G4_LIB_PATH.'/popular.lib.php');
             unset($cr_path);
             ?>
             <li>
-                <a href="<?=$cr_uri;?>">색상대비</a>
+                <a href="<?=$cr_uri;?>">색상대비<?=$cr?></a>
             </li>
         </ul>
 
diff --git a/js/wrest.js b/js/wrest.js
index 8a2d05677..60910cfe9 100644
--- a/js/wrest.js
+++ b/js/wrest.js
@@ -331,7 +331,7 @@ function wrestSubmit()
         return false;
     }
 
-    if (this.oldsubmit && this.oldsubmit() == false)
+    if (this.oldsubmit && this.oldsubmit == false)
             return false;
 
         return true;
diff --git a/lib/common.lib.php b/lib/common.lib.php
index be5cb2a69..5704abb15 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -1720,4 +1720,34 @@ function delete_cache_latest($bo_table)
         unlink($filename);
     }
 }
+
+// 에디터 이미지 얻기
+function get_editor_image($contents)
+{
+    // $contents 중 img 태그 추출
+    $pattern = "/<img[^>]*src=[\'\"]?([^>\'\"]+".str_replace(".", "\.", $_SERVER['HTTP_HOST'])."[^>\'\"]+)[\'\"]?[^>]*>/";
+    preg_match_all($pattern, $contents, $matchs);
+
+    return $matchs;
+}
+
+// 에디터 썸네일 삭제
+function delete_editor_thumbnail($contents)
+{
+    // $contents 중 img 태그 추출
+    $matchs = get_editor_image($contents);
+
+    for($i=0; $i<count($matchs[1]); $i++) {
+        // 이미지 path 구함
+        $imgurl = parse_url($matchs[1][$i]);
+        $srcfile = $_SERVER['DOCUMENT_ROOT'].$imgurl['path'];
+
+        $filename = preg_replace("/\.[^\.]+$/i", "", basename($srcfile));
+        $filepath = dirname($srcfile);
+
+        foreach(glob($filepath.'/thumb-'.$filename.'*') as $file) {
+            unlink($file);
+        }
+    }
+}
 ?>
\ No newline at end of file
diff --git a/lib/thumbnail.lib.php b/lib/thumbnail.lib.php
index 2be693017..6abbc21d8 100644
--- a/lib/thumbnail.lib.php
+++ b/lib/thumbnail.lib.php
@@ -30,8 +30,7 @@ function get_view_thumbnail($contents)
     }
 
     // $contents 중 img 태그 추출
-    $pattern = "/<img[^>]*src=[\'\"]?([^>\'\"]+".str_replace(".", "\.", $_SERVER['HTTP_HOST'])."[^>\'\"]+)[\'\"]?[^>]*>/";
-    preg_match_all($pattern, $contents, $matchs);
+    $matchs = get_editor_image($contents);
 
     for($i=0; $i<count($matchs[1]); $i++) {
         // 이미지 path 구함