I'm not positive what you are asking for.
This will make the personal galleries show date descending, public galleries date ascending and will remove sort options.
In thumbnails.php
Find
//show sort options only when not a meta album
$js_sort_vars = array(
'aid' => $album,
'page' => $page,
'sort_name' => $lang_thumb_view['name'],
'sort_title' => $lang_common['title'],
'sort_date' => $lang_thumb_view['date'],
'sort_position' => $lang_thumb_view['position'],
'sort_ta' => $lang_thumb_view['sort_ta'],
'sort_td' => $lang_thumb_view['sort_td'],
'sort_na' => $lang_thumb_view['sort_na'],
'sort_nd' => $lang_thumb_view['sort_nd'],
'sort_da' => $lang_thumb_view['sort_da'],
'sort_dd' => $lang_thumb_view['sort_dd'],
'sort_pa' => $lang_thumb_view['sort_pa'],
'sort_pd' => $lang_thumb_view['sort_pd']
);
set_js_var('sort_vars', $js_sort_vars);
js_include('js/thumbnails.js');
Replace with
if ($actual_cat > 10000) {
$USER['sort'] = 'dd';
} else {
$USER['sort'] = 'da';
}
//show sort options only when not a meta album
/*$js_sort_vars = array(
'aid' => $album,
'page' => $page,
'sort_name' => $lang_thumb_view['name'],
'sort_title' => $lang_common['title'],
'sort_date' => $lang_thumb_view['date'],
'sort_position' => $lang_thumb_view['position'],
'sort_ta' => $lang_thumb_view['sort_ta'],
'sort_td' => $lang_thumb_view['sort_td'],
'sort_na' => $lang_thumb_view['sort_na'],
'sort_nd' => $lang_thumb_view['sort_nd'],
'sort_da' => $lang_thumb_view['sort_da'],
'sort_dd' => $lang_thumb_view['sort_dd'],
'sort_pa' => $lang_thumb_view['sort_pa'],
'sort_pd' => $lang_thumb_view['sort_pd']
);
set_js_var('sort_vars', $js_sort_vars);
js_include('js/thumbnails.js');*/