About short content display on category listing page

Hello sir,

I have one website using this theme on wordpress blog.

I am willing to display post with short content on category page . Also i am willing to display thumb image of post. But i am not getting how to dispaly. As per this theme structure can you please provide me solution to display thumb image on category page for those post having image on post?

Verify my below link for category page and post detail page.

https://www.nashville.com/music/category/country-music-news/
https://www.nashville.com/music/2013/03/joe-ely-reunited-and-ripped-off/