I am very new to Magento and taking over this site from someone else who built it, so be kind in your answers!
Check out any product at ktmbikeindustries.com
and you'll see that any additional photos besides the main photo open in a new tab, rather than scrolling through right there on the product page. I have checked the theme setup and theme design but after that, I'm not sure where to look to fix this, or what code might be needed to do so (and where to put that code).
template/catalog/product/view/media.phtml
. You can also get support from your theme author. – Adarsh Khatri Feb 15 '16 at 2:33