gistfile1.aw

<?php

/**
 * FormAPI theme function. Theme the output of an image field.
 */
function theme_imagefield_widget($element) {
  if ($element['#field_name'] == 'FIELD_WHATEVER' && $element['#type_name'] == 'soy_poderosa_photo') {
    $element['data']['title']['#title'] = t('The better title just for this field on this node type.');
  }
  drupal_add_css(drupal_get_path('module', 'imagefield') .'/imagefield.css');
  $element['#id'] .= '-upload'; // Link the label to the upload field.
  return theme('form_element', $element, $element['#children']);
}