Fullscreen background images and background slideshows on any WordPress post or page. Easily upload and select images using the media library.
As of April 2026, Jellyfish backdrop is a WordPress image plugin with 100 active installations and a 5/5 rating from 5 reviews. It has been downloaded 7.1K+ times in total. Requires WordPress 3.5+ and PHP false+. Available on WordPress.org since 2014. Last updated 5 years ago — may have compatibility concerns. Top alternative: Firelight Lightbox.
Easily create full screen image backgrounds and fading slideshows that stretch
and adapt to the size of your page.
You can either use it as a global “cover” style background that will be
displayed on all pages and posts of your WordPress website or you can give
individual posts or pages including custom post types their own specific
background – great for giving parts of a website a whole different look.
Jellyfish Backdrop makes fullscreen background slideshows easy by allowing
you to assign multiple backgrounds to any page or post.
| WordPress | 3.5+ requiredTested up to 5.5.18 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.