$background_params = array (
                'is_boxed_layout' => true,
                'is_stretched_bg' => false,
                'theme_bg_image' => '',
                'theme_bg_repeat' => '',
                'theme_bg_position' => '',
                'theme_bg_attachment' => '',
                'theme_bg_color' => '',
                'td_ad_background_click_link' => '',
                'td_ad_background_click_target' => ''
            );