PHP Thumbnail/Image Manipulation Class

A PHP Class for manipulating images. It features the ability to scale by percentage, width, height, roate the image, and to create a crops of an image. Unlike other image manipulation classes, this one allows multiple manipulations of an image, with the ability to save it multiple times, and display the image without saving. This is useful for dynamic thumbnail generation and display. UPDATE (5/31/06): Added demo page, and two utility functions. UPDATE: (6/7/06): Added PHP4 Implementation Requirements: PHP 5 or 4 (5 recommended), GD Library UPDATE (11/1/06): Released V2 - many features and enhancements