First, click the flag to ensure everything works properly. Then just use the arrow keys to scroll through the pages (or backdrops). (Right arrow for next and left for previous.)
I've been wanting to make episode 2 ever since 1 but now it's here, yay! I hope you have as much fun watching this as I did making this! Btw all rights to these heroes go to Ninja Kiwi. (Otherwise I made this on my own.)