Slipboard is a standalone MacOS application packaged with the Py2App framework and created using Python IDLE 3.13.0 with the Rumps and CopyKitten packages. The download link is here: https://seafoodstudios.itch.io/slipboard The GitHub repo is here: https://github.com/SeafoodStudios/Slipboard/
Credit to @integrated for the slideshow engine :) wow theres auto thumbnails now