Automatically clean up image cache

When the product configurator is used, an image is generated and cached in wp-content/uploads/jckpc-uploads for every single combination that is created, however, there is no way of automating a clean up of the cached images. A product like the Timex watch shown in the Iconic plugin demo, that has a limited amount of options will generate 165 separate images, each at >800kb each. This may not be an issue for simple configuration, but if you are implementing this product with a view to allow many options, the build up of cached images will eventually become problematic. We have a client site that has built up 1.7gb of images in less than 7 days, and that is with the images at