To make your photo more interesting, you may try the bird-eye level perspective.
For a picture, at a low angle, you can use the sky as the background.
modal auxiliary: must + verb 1
modal auxiliary: may + verb 1
modal auxiliary: will + verb 1
For an outdoor selfie, you must put the sunlight behind you.
modal auxiliary: can + verb 1
Adding objects that convey a mood will create a memorable photo.