more product picture from other product

Hi
i use Version 1.5.6.4 and working very good

i create a new product then i add only 1 product Picture or 2. i save product.
then i go to product page for visitor. i see my pic which i added.
if i click, my pic Comes with popup window. ist good

but then if i click more to my pic, Comes more Picture from other products like a slider.. every click Comes other Picture.(5 or 6 Picture from other produtcs..)

thanks for your help