Please try to use this code now : http://pastebin.com/JfNaw071
and use code above on jkreativ themes folder public > js > internalmin > jquery.jimgallery.js
Important after implementing this code, ,make sure that you already remove all cache that available on your page. it may cache of your page that causing the problem. also this code will effect 4 second after website loaded. so please wait and see if overlapping image moving.