need help with new product type for download images

[ashishgandhi]

i recode some files too i m able to get the perticular attribute in my cart.
but my problem is that suppose customer has selected small size image to download.n when he complete the process of checkout n payments r confirmed he should get file to download small image....
i having a problem in how to achieve this.

[misty]

Each attribute should have it's own image assigned to it.
Will work better if you add image/s to zip file for attribute
chosen. So each image attribute has it's own zip file.