Our detectives are back with the following intel on this WordPress site
The site is using the Delicate theme by NattyWP .
We could identify 2 plugins (there might be more) - All in One SEO Pack and WordPress Gallery Plugin – NextGEN Gallery
With Delicate you can adjust Color scheme, display Header image or Page-based Slideshow, choose custom Slideshow effects and control Transition speed. This is a free professional WordPress theme built on the NattyWP CMS Framework.