Reply To: Related posts and featured image

Hello,

In order to display related posts, you need to create tags http://prntscr.com/j8yi8k and then put this tags into the posts. The posts having equal tags will be displayed as Related posts.

In order to hide the thumbnail image add this CSS code into Theme Settings > Custom CSS

.post-single-page.has-post-thumbnail .entry-header {
    display: none;
}

Best Regards