Planet CakePHP

I'm currently in the process of building a new CMS in CakePHP and wanted to beef up the image capabilities so that I could upload an image once and then be able to resize the image on the fly by specifying a width/height.

I found a nice plain PHP script which does the job but I wanted something that works with CakePHP so I initially went the Helper route using this I found in the bakery. Although this is great I really wanted to resize images by changing values in the url and this is what I came up with.