Hi! I have problem . On my home page i display K2 component, one main category with only one random article from different subcategories in leading position, image set to medium size. (300px)

subcategories of this category have articles with different size images 300px, 309px and 340px for medium size.

what i notice is that k2 component takes items  image size ignoring what is set in main category (which is set to show in menu link)

 

is that normal?

Thanks