Hero, full-width, and slideshow images are added using the Slider paragraph type.
Hero image example
A "hero" image appears at the top of the page, before the page heading, such as the one shown above.
Full-width image example
This is the title (optional) of a slide used as a "full width" image
Full Width Image - No Text
Full width images without text can also be added, simply by not filling in the text field options.
With no text added, the image will be at full brightness - i.e. no background screen is layered over it as no additional contrast between text colour and background colour is required.