Crop Image for Virtuemart 2.0

Hi! I need an installable component/Plugin for Joomla1.7 and later /Virtuemart2.0.0 that does the following: 1. Customer chooses product image of choice 2. Must input his own dimensions and then 3. An editor, where it is possible to crop this image, and the cropping area which is proportional to the dimensions could move around the image. After cropping the new cropped image must shown. 4. Next step is to be able to choose from 3 different materials and 5. To calculeta the prise. 4. costumer verifies the "new image", and ads product to basket where must be shown the new cropped image.. Please take a look at [login to view URL] as reference... I want a similar system for virtuemart 2.0.0 & joomla 2.5 The system should be flexible so it can be used for different kind of products.