Something

$terms = array(
  array('name'=> 'Portraits', 'description' => '', 'weight' => 0),
  array('name'=> 'Video Stills', 'description' => '', 'weight' => 0),
  array('name'=> 'Candid/Live', 'description' => '', 'weight' => 0),
);
foreach ($terms as $term) {
  $term['vid'] = 6;
  taxonomy_save_term($term);
}