Aditional image thumbnails limited to 34px ?

I found in entire script and mysql to find issue to change the size of the thumbnails for aditional image product , is limited at 34px

in product_images.tpl I see

{assign var="th_size" value="34"} and change the value to 60px but not work

Special trick?:confused:

ive also noticed this issue, if anyone has a fix or solution id apperciate it…thanks