EDIT

/**

 * @todo Please document this function.

 * @see http://drupal.org/node/1354

 */

function theme_cdm_preferredImage($variables) {

  $media = $variables['media'];

  $defaultRepresentationPart = $variables['defaultRepresentationPart'];

  $imageMaxExtend = $variables['imageMaxExtend'];

  $parameters = $variables['parameters'];

  $out = '';

  if (isset($media[0])) {

    $representationPart = $media[0]->representations[0]->parts[0];

    if ($parameters) {

      $representationPart->uri . $parameters;

    }

  }

  else {

    $representationPart = $defaultRepresentationPart;

  }

  $attributes = array(

    'alt' => (isset($media->representations[0]->parts[0]->uri) ? $media->representations[0]->parts[0]->uri : "no image available"),

  );

  $out .= theme('cdm_media_gallerie_image', array(

    'mediaRepresentationPart' => $representationPart,

    'maxExtend' => $imageMaxExtend,

    'addPassePartout' => FALSE,

    'attributes' => $attributes,

  ));

  return $out;

}

    $defaultRepresentationPart = new stdClass();

    if(!empty($taxon_profile_image_settings['custom_placeholder_image_on']) && !empty($taxon_profile_image_settings['custom_placeholder_image_fid'])){

      // use the user provided image

      $profile_image_file = file_load($taxon_profile_image_settings['custom_placeholder_image_fid']);

      $url = file_create_url($profile_image_file->uri);

      $image_info = image_get_info($profile_image_file->uri);

      $defaultRepresentationPart->width = $image_info['width'];

      $defaultRepresentationPart->height = $image_info['height'];

      $defaultRepresentationPart->uri = $url;

    } else {

      // use the hardcoded default

      $defaultRepresentationPart->width = 184;

      $defaultRepresentationPart->height = 144;

      $defaultRepresentationPart->uri = base_path() .  drupal_get_path('module', 'cdm_dataportal') . '/images/no_picture.png';

     }

    $out .= '<div id="taxonProfileImage">' . theme('cdm_preferredImage', array(

      'media' => $media,

      'defaultRepresentationPart' => $defaultRepresentationPart,

      'imageMaxExtend' => $taxon_profile_image_settings['maxextend'],

      )) . '</div>';

      'cdm_preferredImage' => array('variables' => array(

          'media' => NULL,

          'defaultRepresentationPart' => NULL,

          'imageMaxExtend' => NULL,

          'parameters' => '',

      )),

/**

 * Returns HTML for a cdm_taxon_page_profile.

 *

 * The description page is supposed to be the front page for a taxon.

 *

 * @param array $variables

 *   An associative array containing:

 *   - taxon: The taxon object displayed on the taxon page.

 *   - mergedTrees

 *   - media:

 *   - hideImages: boolean, FALSE if images should be hided.

 *

 * @ingroup themeable

 */

function garland_cichorieae_cdm_taxon_page_profile($variables) {

  $taxon = $variables['taxon'];

  $mergedTrees = $variables['mergedTrees'];

  $media = $variables['media'];

  $hideImages = $variables['hideImages'];

  $out = '';

  global $base_url;

  RenderHints::pushToRenderStack('taxon_page_description');

  // Description TOC.

  $out = theme('cdm_featureTreeTOCs', array('mergedTrees' => $mergedTrees));

  // Preferred image.

  // 2 lines hard coded for testing.

  if (variable_get('cdm_dataportal_show_default_image', FALSE) && !$hideImages) {

    // $defaultPreferredImage = drupal_get_path('theme',

    // 'garland_cichorieae').'/images/nopic_400x300.jpg';

    $defaultRepresentationPart = new stdClass();

    $defaultRepresentationPart->width = 400;

    $defaultRepresentationPart->height = 300;

    $defaultRepresentationPart->uri = base_path() . drupal_get_path('theme', 'garland_cichorieae') . '/images/nopic_400x300_4x3cm.jpg';

    $imageUriParams = '&width=400&height=300&quality=95&format=jpeg';

    $imageMaxExtend = 400;

    $out .= '<div id="taxonProfileImage">' . theme('cdm_preferredImage', array(

      'media' => $media,

      'defaultRepresentationPart' => $defaultRepresentationPart,

      'imageMaxExtend' => $imageMaxExtend,

      'parameters' => $imageUriParams,

      )) . '</div>';

  }

  // Description.

  $out .= theme('cdm_featureTrees', array(

    'mergedTrees' => $mergedTrees,

    'taxon' => $taxon,

  ));

  RenderHints::popFromRenderStack();

  return $out;

}

/**

 * Returns HTML for a cdm_taxon_page_profile.

 *

 * The description page is supposed to be the front page for a taxon.

 *

 * @param array $variables

 *   An associative array containing:

 *   - taxon: The taxon object displayed on the taxon page.

 *   - mergedTrees

 *   - media:

 *   - hideImages: boolean, FALSE if images should be hided.

 *

 * @ingroup themeable

 */

function palmweb_2_cdm_taxon_page_profile($variables){

  $taxon = $variables['taxon'];

  $mergedTrees = $variables['mergedTrees'];

  $media = $variables['media'];

  $hideImages = $variables['hideImages'];

  $out = '';

  if (!$hideImages) {

    // Preferred image.

    // Hardcoded for testing.

    $defaultRepresentationPart = new stdClass();

    $defaultRepresentationPart->width = 184;

    $defaultRepresentationPart->height = 144;

    $defaultRepresentationPart->uri = base_path() .drupal_get_path('theme', 'palmweb_2') . '/images/no_picture.png';

    // Preferred image size 184px × 144.

    $imageMaxExtend = 184;

    $out .= '<div id="taxonProfileImage">';

    $out .= theme('cdm_preferredImage', array(

      'media' => $media,

      'defaultRepresentationPart' => $defaultRepresentationPart,

      'imageMaxExtend' => $imageMaxExtend,

    ));

    $out .= '</div>';

  }

  // Description TOC.

  $out .= theme('cdm_featureTreeTOCs', array('mergedTrees' => $mergedTrees));

  // Description.

  $out .= theme('cdm_featureTrees', array('mergedTrees' => $mergedTrees, 'taxon' => $taxon));

  return $out;

}