Related products and image at checkuout

Dears, i dont find where can i present a samaller image of sold product, i tried in DISPLAY section, but its always the same size. img att.
Second question, i put related products, but when i buy one, i dont see nowhere, RELATED Products, like, "people who bought this, also bought this and that..."
Many thanks

Hi,

You can resize it with a CSS property like: ".hikashop_cart_product_image_thumb img{width: 200px !important;}"

For the second question, where are you displaying this related module ?
Can you give us a screenshot of its configuration ?