Wonderful edit pics program for insert objects into a different shots as well as images colorkey
https://www.scribd.com/document/429315816/291279Amazing-modifying-Image-computer-software-for-images-sepia-or-pictures-brightness
Knowing your shutter speed suggests the difference between taking a fuzzy photo and also a sharp image. Everything depends upon what you want. If you are firing a showing off occasion or youngsters running around