class.upload.php
class.upload.php is a powerful and mature PHP class to manage uploaded files, and manipulate images in many ways. The script is available under a GPL license.
class.upload.php is a powerful and mature PHP class to manage uploaded files, and manipulate images in many ways. The script is available under a GPL license.
In the meantime, and especially if your images have fixed dimensions, you can use overlays to add shadows. For instance, you could crop with a negative value on the right and bottom sides, and then apply an overlay that has the shadow on the right and bottom sides.