This plugin lets provides a simple way to set an automatically scaled full screen background image.
WordPress Responsive Gallery
Simple Fullscreen Responsive Slider is an easy-to-use, lightweight, responsive, fullscreen slider that supports MultiPostThumbnails and custom CSS.
Adds HTML tab to the post editor which shows the raw source of the page and is highlighted with the Ace Editor
Full screen slider for WordPress.
This plugin provides a very simple method for implementing a full-screen background image.
Full screen background slideshow in any page/post, with images from WP Media Gallery, NextGEN Gallery, Flickr, Picasa, Smugmug, folder, or XML file
Simple plugin to enable remote xml feed and api for wp-supersized