Home Page Templates
Theme has multiple Homepage templates.
The Homepage templates Home Mosaic Tiles and Home Squares Tiles show 4 and more recent posts image format. Homepage have Home Tagline section. This section can contain plain text (wrap html) or plugin shortcode.
Instead of Home tagline you can show the header of the front page. There is an option in Customizer.
Using plugins such as Meta Slider, Recent Posts Flexslider you can in the header of the Homepage (Home Tagline section) to slideshow photos or posts.