On this url http://www.shona-stoneart.nl I have installed IH2

I have the image hover working on product listing but I can't get it to work on the main product image (when you view a product page)

My settings are as followes:

Code:
Small Image Width  	100  	Informatie 
Small Image Height 	80 	Informatie 
Heading Image Width - Admin 	57 	Informatie 
Heading Image Height - Admin 	40 	Informatie 
Subcategory Image Width 	100 	Informatie 
Subcategory Image Height 	80 	Informatie 
Calculate Image Size 	true 	Informatie 
Image Required 	true 	Informatie 
Image - Shopping Cart Status 	1 	Informatie 
Image - Shopping Cart Width 	100 	Informatie 
Image - Shopping Cart Height 	80 	Informatie 
Category Icon Image Width - Product Info Pages 	100 	Informatie 
Category Icon Image Height - Product Info Pages 	80 	Informatie 
Top Subcategory Image Width 	100 	Informatie 
Top Subcategory Image Height 	80 	Informatie 
Product Info - Image Width 	300 	Informatie 
Product Info - Image Height 	240 	 
Product Info - Image Medium Suffix 	_MED 	Informatie 
Product Info - Image Large Suffix 	_LRG 	Informatie 
Product Info - Number of Additional Images per Row 	3 	Informatie 
Image - Product Listing Width 	100 	Informatie 
Image - Product Listing Height 	80 	Informatie 
Image - Product New Listing Width 	100 	Informatie 
Image - Product New Listing Height 	80 	Informatie 
Image - New Products Width 	100 	Informatie 
Image - New Products Height 	80 	Informatie 
Image - Featured Products Width 	100 	Informatie 
Image - Featured Products Height 	80 	Informatie 
Image - Product All Listing Width 	100 	Informatie 
Image - Product All Listing Height 	80 	Informatie 
Product Image - No Image Status 	1 	Informatie 
Product Image - No Image picture 	no_picture.gif 	Informatie 
Image - Use Proportional Images on Products and Categories 	1 	Informatie 
IH resize images 	yes 	Informatie 
IH small image filetype 	no_change 	Informatie 
IH small image background 	255:255:255 	Informatie 
IH watermark small images 	no 	Informatie 
IH zoom small images 	yes 	Informatie 
IH small image hotzone 	no 	Informatie 
IH small image compression quality 	85 	Informatie 
IH medium image filetype 	no_change 	Informatie 
IH medium image background 	255:255:255 	Informatie 
IH watermark medium images 	no 	Informatie 
IH zoom medium images 	yes 	Informatie 
IH medium image hotzone 	no 	Informatie 
IH medium image compression quality 	85 	Informatie 
IH large image filetype 	no_change 	Informatie 
IH large image background 	255:255:255 	Informatie 
IH watermark large images 	no 	Informatie 
IH large image compression quality 	85 	Informatie 
IH large image maximum width 	750 	Informatie 
IH large image maximum height 	550 	Informatie 
IH watermark gravity 	Center 	Informatie 
IH zoom gravity 	SouthEast 	Informatie
Can someone please help me out?