Product Image Thumb Swap

• swap the Additional Product Image into the Product Image Thumb when clicked
  
• add the Product Image Thumb as first thumb in Additional Product Images (only if there are additional images)
  
• compatible with jcarousel_additional vqmod
  

Install: Just upload the xml file into your opencart vqmod/xml folder.
Uninstall: Just remove the xml file from your opencart vqmod/xml folder.

Demo: http://ocdemo.16mb.com/156/test