Howto Create a item with various subitems that displays different pictures and prices

Hello, I don’t know if this is possible with zen cart. I have gone though the options and cannot find it.

Lets say I have to sell one item, (a cheese of 2 kilograms). The item displays de price and the picture, all perfect. The problem comes when I also have the same item but instead of the full cheese is (half-chess 1 kilogram) and (a quarter of cheese 0,5) kilograms. I would like to add this other weights not as different products, but on the same item, this item would have to show a combo-box and when selecting in the list (2kg, 1kg, 0,5kg) the price of the item AND the picture would also change (The picture is very important that changes also, I have 3 pictures of this cheese, full, half and quarter.

I would appreciate any suggestion with this matter. Thanks

Addicional information:
I am using version of zen cart v1.3.9a
Using the demo for testing
This is my site: http://www.charcuteriaonline.com/catalogo/

Start with adding the other options
https://www.zen-cart.com/tutorials/index.php?article=57

having the picture change is not a default function but I believe there are 3ed party modules available that are close if not what you seek

Thank you kobra