Lay your baby on his or her back on a plain white or off-white sheet. This will ensure your baby's head is supported and provide a plain background for the photo. Make certain there are no shadows on your baby’s face, especially if you take a picture from above with the baby lying down. You can also cover a car seat with a plain white or off-white sheet and take a picture of your child in the car seat. This will also ensure your baby’s head is supported.