Fabulous fullscreen photography HTML template designed with premium quality and a rich array of useful features.
Demo: https://themeforest.net/item/photography-fullscreen-website-template-johnblack-photography/19767473
This HTML5 Video Player is ideal if you want a video player which will support YouTube, Vimeo and Self-Hosted videos.
Demo: https://codecanyon.net/item/video-player-fullscreen-video-background-wp-plugin/9323381
Wavee Creative Portfolio WordPress Theme is an elegant, creative and modern portfolio theme for individuals and agencies alike.
Demo: https://themeforest.net/item/wavee-fullscreen-portfolio-wordpress-theme/25565229
Kinetika theme has the ability to display image slideshows and videos as page background with page opacity control per page.
Candidate for the most powerful photography theme on the market with multiple gallery and homepage layouts, photo proofing and more.
Demo: https://themeforest.net/item/twofold-photography-fullscreen-photography-theme/15558542