Pictorico is a single-column, grid-based, free portfolio theme by Automattic https://wordpress.org/themes/pictorico/ with large featured images and an optional post slider. It’s also mobile responsive.
Portfolio sites are a way to display your artwork/designs/products in a grid format that makes it easy for the viewer to see your work. Pictorico is perfect for a photoblogger or any portfolio site
Pictorico looks best when you assign featured images to each of your posts. It has four widget areas and one navigation menu. Pictorico also allows you to set a custom header image and background color.