During the last fight, Slim is punching the other guy that's on the ground. From one camera angle, it's his left fist is repeatedly hitting the guy. From another angle, it's his right fist.
When Kenneflick is showing Eva how much water had been collected, for just a second, she cuts her eyes and looks at the camera.
Three of the survivors swim one mile to another island to look for food, but they had a life raft they could have used.