Welcome to the Shopify community. Thanks for asking a good question on community. I would be happy to help you.
As I see your question. Yes you can Implement the other banner image underneath the hero image but you need the good knowledge of HTML, CSS and Liquid.
also can you please share me the URL of the website.
If helpful then please Like and Accept Solution. - Want to modify or custom changes, Hire me. || Connect on WhatsApp - Regarding any help and assistance feel free to contact me on Email: firstname.lastname@example.org Shopify Expert | Skype : aashish.bhatt91