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***
            } else {
                // use netpm
***

and exchange them with:

***
} elseif ($this->_imageLib == 'netpbm') {
                // use netpm
***

then go some lines below where  it says:

***
$returnChmod = true;
***

leave the line as it is and add the following above:

***
} elseif ($this->_imageLib == 'gdlib2') {  // if set to gdlib2
              if ($this->_keepOriginalImage) {
                    $filename = $this->_fileUploadDirectory . '/'. $this->_getDestinationName ();
                    $lFilename_large = substr_replace ($this->_getDestinationName (), '_original.', strrpos ($this->_getDestinationName (), '.'), 1);
                    $lFilename_large_complete = $this->_fileUploadDirectory. '/' .  $lFilename_large;
                    if (!copy ($filename, $lFilename_large_complete)) {
                        $this->_addError ("Couldn't copy $filename to $lFilename_large_complete.  You'll need to remove both files.");
                        $this->printErrors ();
                        exit;
                    }
              }
              $file=$this->_fileUploadDirectory . '/' . $this->_getDestinationName();
              $old_picture  = imagecreatefromjpeg($file);
              $new_picture = imagecreate($newwidth, $newheight);
              if (!imagecopyresampled($new_picture, $old_picture, 0, 0, 0, 0, $newwidth, $newheight, $imageInfo['width'], $imageInfo['height']))
                $retval=1;
              if (!imagecreatetruecolor($new_picture, $this->_fileUploadDirectory . '/' . $this->_getDestinationName()))
                $retval=2;
            }
            else {       // use gdlib1
              if ($this->_keepOriginalImage) {
                    $filename = $this->_fileUploadDirectory . '/'. $this->_getDestinationName ();
                    $lFilename_large = substr_replace ($this->_getDestinationName (), '_original.', strrpos ($this->_getDestinationName (), '.'), 1);
                    $lFilename_large_complete = $this->_fileUploadDirectory. '/' .  $lFilename_large;
                    if (!copy ($filename, $lFilename_large_complete)) {
                        $this->_addError ("Couldn't copy $filename to $lFilename_large_complete.  You'll need to remove both files.");
                        $this->printErrors ();
                        exit;
                    }
              }
              $file=$this->_fileUploadDirectory . '/' . $this->_getDestinationName();
              $old_picture  = imagecreatefromjpeg($file);
              $new_picture = imagecreate($newwidth, $newheight);
              if (!imagecopyresized($new_picture, $old_picture, 0, 0, 0, 0, $newwidth, $newheight, $imageInfo['width'], $imageInfo['height']))
               $retval=3;
              if (!imagejpeg($new_picture, $this->_fileUploadDirectory . '/' . $this->_getDestinationName()))
               $retval=4;
            }

            if ($retval > 0) {
                if ($this->_imageLib == 'imagemagick') {
                    $this->_addError('Image, ' . $this->_currentFile['name'] . ' had trouble being resized: ' . $mogrify_output[0]);
                } elseif ($this->_imageLib == 'netpbm') {
                    $this->_addError('Image, ' . $this->_currentFile['name'] . ' had trouble being resized: ' . $netpbm_output[0]);
                } else {
                    $this->_addError('Image, ' . $this->_currentFile['name'] . ' had trouble being resized using '.$this->_imageLib.' - Errorcode' . $retval);
                }
                $this->printErrors();
                exit;
            } else {
                    $this->_addDebugMsg('Image, ' . $this->_currentFile['name'] . ' was resized from ' . $imageInfo['width'] . 'x' . $imageInfo['height'] . ' to ' . $newsize);
            }
        }
***