You will need to install a user script manager extension to install this script.
Display an entire gallery page as high-res images. View dozens of submissions at once. Supports multi-image posts!
Individual images and whole submissions can be hidden with one click. (Intended for use with DownThemAll or a similar mass downloader.)
Keyboard controls are WASD + QERX. Z or Ctrl+Z to undo. Good luck!