LSRDb was built for the Apple TV version of Fetch to provide the parallax posters that are common throughout tvOS. It's a simple Laravel install with a very basic API. LCR files are scraped from the iTunes Store using the SearchiTunes and Chug console commands.
LSRDb currently only scrapes movie posters from iTunes as the TV shows are in a square format which was not used by Fetch. There are a limited number of LCR files for TV shows which have been created manually in Photoshop.
Clone the repo and run composer install. Run the migrations using Artisan and you're then good to run the commands mentioned above.