Natural Shadow Present an image professional. When an Images set upon a new Background, looks Unusual as Original image has Shadow also. For Looking Professional must need to Add Shadow Effect.
Shadow Effect Depends on Images Criteria as some images has Shadow and some have no Shadow. When the Shadow Created upon the Original Shadow Called Natural Shadow. If main images have no shadow in that cases Shadow depends on the images position Upon that Shadow effect Presented as:
Natural Shadow is one image looks Natural compare with others But must need to add exact shadow which is in Original otherwise the images looks very Bad.