Try aligning the eye/sensor up with a tree that is at the maximum flash range of the camera.This eliminates two problems.1-You will eliminate the "ghost eyes"type picture you get because the critter is standing 95'from the camera and your flash is only good out to 60'.2-It will most likely eliminate your empty pictures due to foilage movement(even though they tell you that won't happen it does).After taking hundres of pictures with my VIGIL trail timer i only ever had 5/10 empty pictures on it.Unfortunitly some S.O.B decided that he would like a unit of his own so he ripped off mine!!!