I have created a bucket on the amazon s3 and I kept some images in this bucket inside a folder. All the images are private and I am using Zend_Service_Amazon_S3 class of Zen
Try this: It will return the binary data for the file stored on the Amazon S3 Bucket.
require_once 'Zend/Service/Amazon/S3.php';
$s3 = new Zend_Service_Amazon_S3($my_aws_key, $my_aws_secret_key);
echo $s3->getObject("my-own-bucket/myobject");
Documentation is here: http://framework.zend.com/manual/de/zend.service.amazon.s3.html
This is example #1