Open: portal.php

Find:

    include($portal_root_path . '/includes/functions.'.$phpEx);

Add after:

    $gallery_root_path = GALLERY_ROOT_PATH;
    include($phpbb_root_path . $gallery_root_path . 'includes/functions_recent.' . $phpEx);

Find:

    $user->setup('portal');

Add after:

    $display = array(
       'name'      => true,
       'poster'   => true,
       'time'      => true,
       'views'      => true,
       'ratings'   => false,
       'comments'   => false,
       'album'      => true,
    );
    /**
    * rows      numeric default 1,
    * columns   numeric default 4,
    * display   array,
    * modes      string(recent|random|comment|!recent|!random|!comment|all), Exp: '!recent' means random + comment,
    */
    recent_gallery_images(1, 3, $display, 'all');



Open: portal_body.html 

Find:

    <!-- IF S_DISPLAY_WELCOME -->
    <!-- INCLUDE portal/block/welcome.html -->
    <!-- ENDIF -->

Add after:

    <!-- INCLUDE gallery_recent_body.html -->

BUSCAR

		if ( $this->seo_opt['url_rewrite'] && !defined('ADMIN_START') && isset($this->seo_opt['file_hbase'][$this->seo_opt['req_file']])) {	
			$this->seo_opt['seo_base_href'] = '<base href="' . $this->seo_opt['file_hbase'][$this->seo_opt['req_file']] . '"/>';
		}
		return;

ANTES PONER:

          if (strpos($this->seo_opt['req_self'], GALLERY_ROOT_PATH) !== false) {
             $this->seo_opt['file_hbase']['index'] = $this->seo_opt['file_hbase']['search'] = $this->seo_path['phpbb_url'] . GALLERY_ROOT_PATH;
          }