1) Mozna nadpisac w template.php fkcje ogolna :

function phptemplate_node_form($form) {
  $form['buttons']['#prefix'] .= '<div id="nodeform-buttons">';
  $form['buttons']['#suffix'] .= '</div>';


  $buttons = drupal_render($form['buttons']);
  return drupal_render($form) . $buttons;
}

2) W module MODUL, rodzaj zawartosci CONTENTTYPE :

function MODUL_form_alter(&$form, $form_state, $form_id) {
  //global $user; if ($user->uid==1) drupal_set_message("Form ID: " . $form_id);
  // global $user; if ($user->uid==1) drupal_set_message('<pre>' . print_r($form, TRUE) . '</pre>');
  switch ($form_id) {
    case 'CONTENTTYPE_node_form':
      $form['title']['#default_value'] = 'Domylsna wartosc';
      break;
    default:
      break;
  }
  return $form;
}

 function zgloszeniedokonkursu_node_form(........) {
   .....
 }

Materiały :
http://11heavens.com/theming-the-node-form-in-Drupal-6