diff --git a/adm/board_form.php b/adm/board_form.php
index 159cecb9e..180d8841d 100644
--- a/adm/board_form.php
+++ b/adm/board_form.php
@@ -48,11 +48,11 @@ if ($w == '') {
     $board['bo_download_point'] = $config['cf_download_point'];
 
     $board['bo_gallery_cols'] = 4;
-    $board['bo_gallery_width'] = 200;
-    $board['bo_gallery_height'] = 150;
-    $board['bo_mobile_gallery_cols'] = 2;
-    $board['bo_mobile_gallery_width'] = 160;
-    $board['bo_mobile_gallery_height'] = 120;
+    $board['bo_gallery_width'] = 174;
+    $board['bo_gallery_height'] = 124;
+    $board['bo_mobile_gallery_cols'] = 3;
+    $board['bo_mobile_gallery_width'] = 125;
+    $board['bo_mobile_gallery_height'] = 100;
     $board['bo_table_width'] = 100;
     $board['bo_page_rows'] = $config['cf_page_rows'];
     $board['bo_subject_len'] = 60;
diff --git a/install/gnuboard4s.sql b/install/gnuboard4s.sql
index 63d9d151e..ac5bad46c 100644
--- a/install/gnuboard4s.sql
+++ b/install/gnuboard4s.sql
@@ -64,6 +64,7 @@ CREATE TABLE IF NOT EXISTS `g4s_board` (
   `bo_hot` int(11) NOT NULL default '0',
   `bo_image_width` int(11) NOT NULL default '0',
   `bo_skin` varchar(255) NOT NULL default '',
+  `bo_mobile_skin` varchar(255) NOT NULL default '',
   `bo_image_head` varchar(255) NOT NULL default '',
   `bo_image_tail` varchar(255) NOT NULL default '',
   `bo_include_head` varchar(255) NOT NULL default '',
@@ -304,6 +305,7 @@ DROP TABLE IF EXISTS `g4s_group`;
 CREATE TABLE IF NOT EXISTS `g4s_group` (
   `gr_id` varchar(10) NOT NULL default '',
   `gr_subject` varchar(255) NOT NULL default '',
+  `gr_device` ENUM('both','pc','mobile') NOT NULL DEFAULT 'both',
   `gr_admin` varchar(255) NOT NULL default '',
   `gr_use_access` tinyint(4) NOT NULL default '0',
   `gr_show_menu` tinyint(4) NOT NULL default '0',
diff --git a/mobile/skin/member/basic/register_form.skin.php b/mobile/skin/member/basic/register_form.skin.php
index 06a6b4849..8e786b997 100644
--- a/mobile/skin/member/basic/register_form.skin.php
+++ b/mobile/skin/member/basic/register_form.skin.php
@@ -130,7 +130,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 </tr>
 <? } ?>
 
-<? if ($member['mb_level'] >= $config['cf_icon_level']) { ?>
+<? if ($config['cf_use_member_icon'] && $member['mb_level'] >= $config['cf_icon_level']) { ?>
 <tr>
     <th scope="row"><label for="reg_mb_icon">회원아이콘</label></th>
     <td>
diff --git a/mobile/skin/member/kcpcert/register_form.skin.php b/mobile/skin/member/kcpcert/register_form.skin.php
index 02ab53a48..2a24f5f52 100644
--- a/mobile/skin/member/kcpcert/register_form.skin.php
+++ b/mobile/skin/member/kcpcert/register_form.skin.php
@@ -135,7 +135,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 </tr>
 <? } ?>
 
-<? if ($member['mb_level'] >= $config['cf_icon_level']) { ?>
+<? if ($config['cf_use_member_icon'] && $member['mb_level'] >= $config['cf_icon_level']) { ?>
 <tr>
     <th scope="row"><label for="reg_mb_icon">회원아이콘</label></th>
     <td>
diff --git a/skin/member/kcpcert/register_form.skin.php b/skin/member/kcpcert/register_form.skin.php
index f5171d9cf..58b01663b 100644
--- a/skin/member/kcpcert/register_form.skin.php
+++ b/skin/member/kcpcert/register_form.skin.php
@@ -135,7 +135,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 </tr>
 <? } ?>
 
-<? if ($member['mb_level'] >= $config['cf_icon_level']) { ?>
+<? if ($config['cf_use_member_icon'] && $member['mb_level'] >= $config['cf_icon_level']) { ?>
 <tr>
     <th scope="row"><label for="reg_mb_icon">회원아이콘</label></th>
     <td>