How to display multiple image sizes (aspect ratios) on a product page

Hi there, I'm trying to figure out if it's possible to vary the image size on a products page, eg, have it display more like a gallery.  My paintings are all different sizes, I don't want to have to cram them into a uniform square (or rectangle) that is different from the aspect ratio of the painting.

Is there a template that allow for varying image sizes on the product page? 

I'm currently on V7.0 but will migrate if needed.

Thanks! 

You can consider using Summary Block (Wall Layout) and pull products into Summary.