MY_Image_lib Class
The MY_Image_lib Class extends CI_Image_lib result class. It adds a couple methods listed below:
$this->image_lib->resize_and_crop()
$config['source_image'] = '/path/to/image/mypic.jpg';
$config['width'] = 75;
$config['height'] = 50;
$this->load->library('image_lib', $config);
$this->image_lib->resize_and_crop();
$this->image_lib->convert()
Converts an image to a different format. Borrowed from the CodeIgniter Forum.
$config['source_image'] = '/path/to/image/mypic.gif';
$this->load->library('image_lib', $config);
$this->image_lib->convert('jpg');