Hover Image cache as same size as the main image

Hi
I am using cloud zoom and i loved the module.
But there are certain issues...
When I set cloud zoom for my image file in display fields, zoomed image coming on hover is same as it is of the main image..I want it to come as it is given in demonstration of the module (tints example), over here the image hover size is larger than the actual image and that is what i want to happen.
Please help me out.
For your reference this is the link with my product page and an example on cloud zoom image i am having problem with. : http://prrems.com/site/catalog/winter-wear/women/pure-wool-thermals/slee...