Front page templates include automatic slider. It holds all the posts that have “Featured” category with a featured image.
Slider shows latest 9 posts in its “cartridge” displayed 3 at a time with scrolling left or right arrows and is responsive.
The slider doesn’t require any configuration. It pulls and displays featured category posts with the featured images attached to them.
To have your post appear within slider, create a simple post and assign “featured” category as well as add image to featured image area and publish it.