diff --git a/adm/sendmail_test.php b/adm/sendmail_test.php
index eadc627cf..ace86fe89 100644
--- a/adm/sendmail_test.php
+++ b/adm/sendmail_test.php
@@ -17,21 +17,21 @@ if (isset($_POST['email'])) {
     for ($i=0; $i<count($email); $i++)
         mailer($config['cf_title'], $config['cf_admin_email'], trim($email[$i]), '[메일검사] 제목', '<span style="font-size:9pt;">[메일검사] 내용<p>이 내용이 제대로 보인다면 보내는 메일 서버에는 이상이 없는것입니다.<p>'.G5_TIME_YMDHIS.'<p>이 메일 주소로는 회신되지 않습니다.</span>', 1);
 
-    echo '<section class=\'cbox\'>';
+    echo '<section>';
     echo '<h2>결과메세지</h2>';
-    echo '<p>';
+    echo '<div class="local_desc01 local_desc"><p>';
     echo '다음 '.count($email).'개의 메일 주소로 테스트 메일 발송이 완료되었습니다.';
-    echo '</p>';
+    echo '</p></div>';
     echo '<ul>';
     for ($i=0;$i<count($email);$i++) {
         echo '<li>'.$email[$i].'</li>';
     }
     echo '</ul>';
-    echo '<p>';
+    echo '<div class="local_desc02 local_desc"><p>';
     echo '해당 주소로 테스트 메일이 도착했는지 확인해 주십시오.<br>';
     echo '만약, 테스트 메일이 오지 않는다면 더 다양한 계정의 메일 주소로 메일을 보내 보십시오.<br>';
     echo '그래도 메일이 하나도 도착하지 않는다면 메일 서버(sendmail server)의 오류일 가능성이 높으니, 웹 서버관리자에게 문의하여 주십시오.<br>';
-    echo '</p>';
+    echo '</p></div>';
     echo '</section>';
 }
 ?>
diff --git a/config.php b/config.php
index d4ad12e70..27820488d 100644
--- a/config.php
+++ b/config.php
@@ -156,4 +156,7 @@ define('G5_SMTP', '127.0.0.1');
 // 게시판에서 링크의 기본개수를 말합니다.
 // 필드를 추가하면 이 숫자를 필드수에 맞게 늘려주십시오.
 define('G5_LINK_COUNT', 2);
+
+// 썸네일 jpg Quality 설정
+define('G5_THUMB_JPG_QUALITY', 90);
 ?>
\ No newline at end of file
diff --git a/lib/latest.lib.php b/lib/latest.lib.php
index 6786c4be1..71dad15bc 100644
--- a/lib/latest.lib.php
+++ b/lib/latest.lib.php
@@ -3,7 +3,7 @@ if (!defined('_GNUBOARD_')) exit;
 
 // 최신글 추출
 // $cache_time 캐시 갱신시간
-function latest($skin_dir='', $bo_table, $rows=10, $subject_len=40, $cache_time=1)
+function latest($skin_dir='', $bo_table, $rows=10, $subject_len=40, $cache_time=1, $options='')
 {
     global $g5;
     //static $css = array();
diff --git a/lib/thumbnail.lib.php b/lib/thumbnail.lib.php
index caf04acc1..3f71de35a 100644
--- a/lib/thumbnail.lib.php
+++ b/lib/thumbnail.lib.php
@@ -356,7 +356,12 @@ function thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_h
         UnsharpMask($dst, $val[0], $val[1], $val[2]);
     }
 
-    imagejpeg($dst, $thumb_file, 90);
+    if(!defined('G5_THUMB_JPG_QUALITY'))
+        $jpg_quality = 90;
+    else
+        $jpg_quality = G5_THUMB_JPG_QUALITY;
+
+    imagejpeg($dst, $thumb_file, $jpg_quality);
     chmod($thumb_file, G5_FILE_PERMISSION); // 추후 삭제를 위하여 파일모드 변경
 
     imagedestroy($src);
diff --git a/mobile/skin/board/basic/write.skin.php b/mobile/skin/board/basic/write.skin.php
index 74115f47b..5a4184b95 100644
--- a/mobile/skin/board/basic/write.skin.php
+++ b/mobile/skin/board/basic/write.skin.php
@@ -157,7 +157,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
     </div>
 
     <div class="btn_confirm">
-        <input type="submit" value="글쓰기" id="btn_submit" class="btn_submit" accesskey="s">
+        <input type="submit" value="작성완료" id="btn_submit" class="btn_submit" accesskey="s">
         <a href="./board.php?bo_table=<?php echo $bo_table ?>" class="btn_cancel">취소</a>
     </div>
     </form>
diff --git a/mobile/skin/board/gallery/write.skin.php b/mobile/skin/board/gallery/write.skin.php
index 30870dc4c..9c6805945 100644
--- a/mobile/skin/board/gallery/write.skin.php
+++ b/mobile/skin/board/gallery/write.skin.php
@@ -157,7 +157,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
     </div>
 
     <div class="btn_confirm">
-        <input type="submit" value="글쓰기" id="btn_submit" class="btn_submit" accesskey="s">
+        <input type="submit" value="작성완료" id="btn_submit" class="btn_submit" accesskey="s">
         <a href="./board.php?bo_table=<?php echo $bo_table ?>" class="btn_cancel">취소</a>
     </div>
     </form>
diff --git a/mobile/skin/qa/basic/write.skin.php b/mobile/skin/qa/basic/write.skin.php
index cbadd6028..c7fa1e568 100644
--- a/mobile/skin/qa/basic/write.skin.php
+++ b/mobile/skin/qa/basic/write.skin.php
@@ -110,7 +110,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
     </div>
 
     <div class="btn_confirm">
-        <input type="submit" value="글쓰기" id="btn_submit" accesskey="s" class="btn_submit">
+        <input type="submit" value="작성완료" id="btn_submit" accesskey="s" class="btn_submit">
         <a href="<?php echo $list_href; ?>" class="btn_cancel">목록</a>
     </div>
     </form>
diff --git a/skin/board/basic/write.skin.php b/skin/board/basic/write.skin.php
index 8b74c24a2..07eb7f676 100644
--- a/skin/board/basic/write.skin.php
+++ b/skin/board/basic/write.skin.php
@@ -173,7 +173,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
     </div>
 
     <div class="btn_confirm">
-        <input type="submit" value="글쓰기" id="btn_submit" accesskey="s" class="btn_submit">
+        <input type="submit" value="작성완료" id="btn_submit" accesskey="s" class="btn_submit">
         <a href="./board.php?bo_table=<?php echo $bo_table ?>" class="btn_cancel">취소</a>
     </div>
     </form>
diff --git a/skin/board/gallery/write.skin.php b/skin/board/gallery/write.skin.php
index 8b74c24a2..07eb7f676 100644
--- a/skin/board/gallery/write.skin.php
+++ b/skin/board/gallery/write.skin.php
@@ -173,7 +173,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
     </div>
 
     <div class="btn_confirm">
-        <input type="submit" value="글쓰기" id="btn_submit" accesskey="s" class="btn_submit">
+        <input type="submit" value="작성완료" id="btn_submit" accesskey="s" class="btn_submit">
         <a href="./board.php?bo_table=<?php echo $bo_table ?>" class="btn_cancel">취소</a>
     </div>
     </form>
diff --git a/skin/qa/basic/write.skin.php b/skin/qa/basic/write.skin.php
index ced9ba8a7..817e8f943 100644
--- a/skin/qa/basic/write.skin.php
+++ b/skin/qa/basic/write.skin.php
@@ -110,7 +110,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
     </div>
 
     <div class="btn_confirm">
-        <input type="submit" value="글쓰기" id="btn_submit" accesskey="s" class="btn_submit">
+        <input type="submit" value="작성완료" id="btn_submit" accesskey="s" class="btn_submit">
         <a href="<?php echo $list_href; ?>" class="btn_cancel">목록</a>
     </div>
     </form>