Feral Heart

so, I downloaded feral-heart yesterday and a friend asked me to download her map for a role play. (p.s. my friend is in real life, and she helped me try and download it) she is new to map making, and I haven't even tried it yet, so we had a lot of fun trying to figure out how to download her map. (that's sarcasm). so after we tried the first time, something strange happened. The games image was moving back and forth incredibly fast! so we went into the folder and undone everything we did, but it didn't help. so we undownloaded and re-downloaded the game, but to no avail! after that we finally figured out what we where supposed to do to download the map, so i don't have any questions about that, just the graphics issue. uhm, sorry for the inconvenience, but I don't know how to put a video here, so go to this you tube link please to see exactly what it does.https://www.youtube.com/watch?v=DZ1QEVcgTnw   (p.s. I apologize for my ignorance XD