Reducing size of images on Product pages


Im using WooCommerce, currently the images displayed on the product pages are very large. i need to reduce them by 30-40% and the same with the Related products that can be seen at the bottom of the page ( they can be reduced by 60-70%) if possible

Here is a link to the site:
Support access is ACTIVE until July 25, 2015 8:40 pm

(+ Please don't post any Site /brand info on here and use tiny url / temporary image uploads if possible)