Shutter speed and movement is right up there with orbs when it comes to calling anomalies paranormal. Easy way to learn about your pictures and why they look the way they do is run them though an EXIF reader. Hell I was called a parrot before because I kept telling people to check the EXIF on their pictures. It is a good way to learn about your camera
Here are two programs you can use. Both are free:
Have a tripod? No I would suggest you get one.
Seven reasons to use a tripod
www.photographyblog.com/articles/7_reasons_why_you_should_use_a_tripod/