Change Filmstrip Parameters

gistfile1.txt

function metaslider_change_filmstrip_parameters($params, $slider_id, $settings) {

     if ( $slider_id == XXX ) { // replace XXX with your slideshow ID
         $params['itemMargin'] = 0;
         $params['maxItems'] = 5;
         $params['minItems'] = 5;
     }

     return $params;
}
add_filter('metaslider_flex_slider_filmstrip_parameters', 'metaslider_change_filmstrip_parameters', 10, 3);