Upload all the files...

CHMOD uploads/gallery, temp, thumb, main folders 777.
show_galcat.tpl CHMOD 777.




Open /template-you-use/css/engine.css:
ADD:


.quick {
    color: #999898;
    font-size: 11px;
    font-family: tahoma;
    padding: 5px;
}

.quick h3 {
    font-size: 18px;
    font-family: verdana;
    margin: 0px;
    padding-top: 5px;
}

.galmain a:active,
.galmain a:visited,
.galmain a:link {
    color: #333333;
    text-decoration:none;
    }

.galpict {
    background-color:#F7F7F7;
    /*padding-left:30px;
    padding-right:25px;*/
    padding-top:3px;
    color: #717171;
    font-size: 11px;
    font-family: tahoma;
    
}

.galpict a:active,
.galpict a:visited,
.galpict a:link {
    color: #E34000;
    text-decoration:none;
}

.galpict a:hover {
    color: #E34000;
    text-decoration: underline;
}

.galcattable {
    border:1px;
}





Open engine/inc/options.php
FIND:

$options['user'] = array(

                    array(
                    'name'       => $lang['opt_priv'],
                    'url'        => "$PHP_SELF?mod=options&action=personal",
                    'descr'      => $lang['opt_privc'],
                    'image'      => "pset.png",
                    'access'     => "all",
                    ),

ADD AFTER:

           array(
                   'name'       => $lang['opt_gal'],
                   'url'        => "$PHP_SELF?mod=gallery",
                   'descr'      => $lang['opt_galc'],
                   'image'      => "iset.png",
                   'access'     => "1",
                    ),




Open admin.php
FIND:

'usergroup'    => 'admin',

ADD AFTER

'gallery'      => 'admin',
'gallery_pict' => 'admin',
'gallery_c'    => 'admin',



Open language/English/adminpanel.lng
Add to it:


'addnews_bild_img'    =>    "Add images to the gallery",
'opt_gal'        =>    "Datalife Image Gallery",
'opt_galc'        =>    "Image gallery settings and options",

Open website.lng
Add to it:

'fotoalbum'            =>    "Gallery",






OPEN PHPMYADMIN:
ADD THIS TO YOUR DATALIFE INSTALL DATABASE:


CREATE TABLE `dle_gal_cat` (
  `cat_id` mediumint(8) unsigned NOT NULL auto_increment,
  `pid` mediumint(8) unsigned NOT NULL default '0',
  `cat_title` varchar(255) NOT NULL default '',
  `cat_desc` text,
  `cat_order` mediumint(8) NOT NULL default '0',
  `cat_alt_name` varchar(50) NOT NULL default '',
  `us_cat` varchar(40) NOT NULL default '',
  `cat_status` smallint(5) NOT NULL default '0',
  `date` int(11) unsigned NOT NULL default '0',
  `img_number` smallint(5) NOT NULL default '0',
  `cat_view_level` varchar(200) NOT NULL default '0',
  `cat_upload_level` varchar(200) NOT NULL default '0',
  `cat_comment_level` varchar(200) NOT NULL default '0',
  `cat_edit_level` varchar(200) NOT NULL default '0',
  `cat_mod_level` varchar(200) NOT NULL default '0',
  `news_sort` varchar(15) NOT NULL default '',
  `news_msort` varchar(10) NOT NULL default '',
  `allow_rating` tinyint(1) NOT NULL default '1',
  `allow_comm` tinyint(1) NOT NULL default '1',
  `allow_wat` tinyint(1) NOT NULL default '1',
  `image` varchar(200) NOT NULL default '',
  PRIMARY KEY  (`cat_id`),
  KEY `cat_order` (`cat_order`)
) TYPE=MyISAM /*!40101 DEFAULT CHARACTER SET cp1251 COLLATE cp1251_general_ci */;


CREATE TABLE `dle_gal_com` (
  `id` int(10) unsigned NOT NULL auto_increment,
  `post_id` int(11) NOT NULL default '0',
  `cat_id` mediumint(8) NOT NULL default '0',
  `date` datetime NOT NULL default '0000-00-00 00:00:00',
  `autor` varchar(100) NOT NULL default '',
  `email` varchar(100) NOT NULL default '',
  `text` text NOT NULL,
  `ip` varchar(50) NOT NULL default '',
  `is_register` smallint(3) NOT NULL default '0',
  PRIMARY KEY  (`id`),
  KEY `post_id` (`post_id`)
) TYPE=MyISAM /*!40101 DEFAULT CHARACTER SET cp1251 COLLATE cp1251_general_ci */;


CREATE TABLE `dle_gal_log` (
  `id` int(10) unsigned NOT NULL auto_increment,
  `pic_id` int(10) NOT NULL default '0',
  `member` varchar(40) NOT NULL default '',
  `ip` varchar(16) NOT NULL default '',
  `cat_id` mediumint(8) NOT NULL default '0',
  PRIMARY KEY  (`id`)
) TYPE=MyISAM /*!40101 DEFAULT CHARACTER SET cp1251 COLLATE cp1251_general_ci */;


CREATE TABLE `dle_gal_pic` (
  `pic_id` int(11) unsigned NOT NULL auto_increment,
  `pic_title` varchar(255) NOT NULL default '',
  `pic_filname` varchar(50) NOT NULL default '',
  `pic_desc` text NOT NULL,
  `pic_user_id` varchar(40) NOT NULL default '0',
  `pic_time` int(11) unsigned NOT NULL default '0',
  `pic_cat_id` mediumint(8) NOT NULL default '0',
  `pic_view_count` int(11) unsigned NOT NULL default '0',
  `comm_num` smallint(5) unsigned NOT NULL default '0',
  `rating` smallint(5) NOT NULL default '0',
  `vote_num` smallint(5) unsigned NOT NULL default '0',
  `approve` tinyint(1) NOT NULL default '1',
  PRIMARY KEY  (`pic_id`),
  KEY `pic_cat_id` (`pic_cat_id`),
  KEY `pic_user_id` (`pic_user_id`),
  KEY `pic_time` (`pic_time`)
) TYPE=MyISAM /*!40101 DEFAULT CHARACTER SET cp1251 COLLATE cp1251_general_ci */;




Open engine/inc/addnews.php
FIND:


if ($config['allow_admin_wysiwyg'] == "yes"){

include(ENGINE_DIR.'/editor/shortnews.php');


ADD AFTER:

echo <<<HTML
<a href=# class=main onclick="window.open('$PHP_SELF?mod=gallery_pict&action=links&area=short_story&author=$member_db[2]', '_Addimage', 'HEIGHT=550,left=0,top=0,resizable=yes,scrollbars=yes,WIDTH=560');return false;" target="_Addimage">[$lang[addnews_bild_img]]</a>
HTML;



Open .htaccess

FIND:

RewriteRule ^addnews(/?)+$ /?do=addnews

ADD AFTER

# Gallery
RewriteRule ^gallery(/?)+$ /?do=gallery [L]
RewriteRule ^gallery/page/([0-9]+)(/?)+$ /?do=gallery&cstart=$1 [L]
RewriteRule ^gallery/image/([0-9]+).html(/?)+$ /?do=gallery&action=img&image=$1 [L]
RewriteRule ^gallery/image/([0-9]+)/page/([0-9]+)(/?)+$ /?do=gallery&action=img&image=$1&cstart=$2 [L]
RewriteRule ^gallery/users(/?)+$ /?do=gallery&action=usgal [L]
RewriteRule ^gallery/users/page/([0-9]+)(/?)+$ /?do=gallery&action=usgal&cstart=$1 [L]
RewriteRule ^gallery/own/([^/]*)(/?)+$ /?do=gallery&action=usergal&user=$1 [L]
RewriteRule ^gallery/own/([^/]*)/page/([0-9]+)(/?)+$ /?do=gallery&action=usergal&user=$1&cstart=$2 [L]
RewriteRule ^gallery/category/([^/]*)(/?)+$ /?do=gallery&action=show_cat&category=$1
RewriteRule ^gallery/category/([^/]*)/page/([0-9]+)(/?)+$ /?do=gallery&action=show_cat&category=$1&cstart=$2 [L]


Open engine/engine.php

FIND

    case "pm" :
        include ENGINE_DIR.'/modules/pm.php';
        break;

ADD AFTER:

    case "gallery" :
        include ENGINE_DIR.'/gallery/gallery.php';
        break;




the gallery is done.
**The gallery link will be
http://www.yoursite.com/gallery/
or
http://www.yoursite.com/index.php?do=gallery




Random image on the frontpage in a module.

init.php

Find: if ($config['allow_banner'])
    include_once ENGINE_DIR.'/modules/banners.php';

Add AFTER:

require_once ENGINE_DIR.'/gallery/random_pict.php';

Open index.php

FIND:
$tpl->set('{topnews}',$topnews);

ADD AFTER:
$tpl->set('{random_pict}',$random);

Open the template you use main.tpl and add {random_pict} in a module! thats it.