--- node_images.module.bak	2009-02-03 14:45:50.000000000 +0100
+++ node_images.module	2009-09-01 03:14:59.000000000 +0200
@@ -443,7 +443,7 @@
 
   $limits = _node_images_file_limits($user);
   $validators = array(
-    'file_validate_is_image' => array(),
+    'file_validate_extensions' => array(variable_get('node_images_extensions', 'jpg zip')),
     'file_validate_image_resolution' => array($limits['resolution']),
     'file_validate_size' => array($limits['file_size']),
     '_node_images_file_validate_name' => array(),
@@ -661,30 +661,96 @@
     drupal_set_message(t('You are not allowed to upload node images.'), 'error');
     return FALSE;
   }
-
+  
   if ($file = _node_images_file_upload($form, $form_state, $node)) {
-    $description = $form_state['values']['description'];
-    if (trim($description) == '') {
-      $parts = pathinfo($file->filename);
-      $description = (isset($parts['filename']) ? $parts['filename'] : substr($file->filename, 0, strrpos($file->filename, '.')));
-    }
-    $thumb = _node_images_create_thumbnail($file->filepath);
-
-    // If we made it this far it's safe to record this file in the database.
-    $file->uid = $user->uid;
-    $file->nid = $node->nid;
-    $file->timestamp = time();
-    $file->thumbpath = $thumb->filepath;
-    $file->thumbsize = $thumb->filesize;
-    $file->description = $description;
-    $file->status = 1;
-    $file->weight = $form_state['values']['weight'];
-    $file->list = (isset($form_state['values']['list']) ? $form_state['values']['list'] : 1);
-
-    $result = drupal_write_record('node_images', $file);
-    if ($result == SAVED_NEW) {
-      drupal_set_message(t('The image has been successfully uploaded.'));
-    }
+
+	// Check if is a ZIP file
+	$exten = strtolower (substr($file->filename,-3));
+
+    if ( $exten == 'zip' ) {
+
+		$zip = new ZipArchive;
+		$zipresponse = $zip->open($file->filepath);
+
+		if ($zipresponse === TRUE) {
+			$dest = _node_images_get_directory('', $user, $node);
+			$zip->extractTo($dest.'/');
+			
+			$numfiles = $zip->numFiles;
+			for($x=0;$x<$numfiles;$x++) {
+				$onefile = $zip->statIndex($x);
+	       
+				$archivo->filename = $onefile['name'];
+				$archivo->filepath = $dest.'/'.$onefile['name'];
+				$archivo->filesize = $onefile['size'];
+				$archivo->filemime = 'image/jpeg';
+
+				$parts = pathinfo($archivo->filename);
+                $description = (isset($parts['filename']) ? $parts['filename'] : substr($archivo->filename, 0, strrpos($archivo->filename, '.')));
+
+				// The file must be an image
+                $info = image_get_info($archivo->filepath);
+				if (!$info) {
+					drupal_set_message( t('The zipped file !name is not a valid image.', array('!name' => $archivo->filename)));
+					continue;
+				}		
+
+				
+				file_validate_image_resolution(&$archivo, variable_get('node_images_large_resolution', '800x800'), variable_get('node_images_large_resolution', '800x800'));
+
+				_node_images_file_validate_name(&$archivo);
+				
+				$thumb = _node_images_create_thumbnail($archivo->filepath);
+
+				// If we made it this far it's safe to record this file in the database.
+				$archivo->uid = $user->uid;
+				$archivo->nid = $node->nid;
+				$archivo->timestamp = time();
+				$archivo->thumbpath = $thumb->filepath;
+				$archivo->thumbsize = $thumb->filesize;
+				$archivo->description = $description;
+				$archivo->status = 1;
+				$archivo->weight = $form_state['values']['weight'];
+				$archivo->list = (isset($form_state['values']['list']) ? $form_state['values']['list'] : 1);
+
+				$result = drupal_write_record('node_images', $archivo);
+				if ($result == SAVED_NEW) {
+					drupal_set_message($archivo->filename.t(' uploaded.'));
+				}
+				
+
+				
+			}
+		}
+		$zip->close();
+		// Delete the useless ZIP file
+		file_delete($file->filepath);  // Comprobar si funciona esto.
+	}
+	else {
+	
+		$description = $form_state['values']['description'];
+		if (trim($description) == '') {
+		  $parts = pathinfo($file->filename);
+		  $description = (isset($parts['filename']) ? $parts['filename'] : substr($file->filename, 0, strrpos($file->filename, '.')));
+		}
+		$thumb = _node_images_create_thumbnail($file->filepath);
+
+		// If we made it this far it's safe to record this file in the database.
+		$file->uid = $user->uid;
+		$file->nid = $node->nid;
+		$file->timestamp = time();
+		$file->thumbpath = $thumb->filepath;
+		$file->thumbsize = $thumb->filesize;
+		$file->description = $description;
+		$file->status = 1;
+		$file->weight = $form_state['values']['weight'];
+		$file->list = (isset($form_state['values']['list']) ? $form_state['values']['list'] : 1);
+
+		$result = drupal_write_record('node_images', $file);
+		if ($result == SAVED_NEW) {
+		  drupal_set_message(t('The image has been successfully uploaded.'));
+		}
+	}	
     return $file;
   }
 
@@ -948,9 +1014,9 @@
  */
 function _node_images_file_limits($user) {
   return array(
-    'extensions' => variable_get('node_images_extensions', 'jpg jpeg gif png'),
-    'file_size' => variable_get('node_images_file_limit', 1) * 1024 * 1024,
-    'resolution' => variable_get('node_images_large_resolution', 0),
+    'extensions' => variable_get('node_images_extensions', 'jpg zip'),
+    'file_size' => variable_get('node_images_file_limit', 100) * 1024 * 1024,
+    'resolution' => variable_get('node_images_large_resolution', '800x800'),
   );
 }