Learnimg how to master single light setup is very simple . Proffesional looks and effects can be created with single light either Speedlite flash or a strobe. Extra lights can sometimes complicate the shoot.
Position of your light will affect the final look of photo. The distance between where the light is placed in relation to the subject will affect the quality of light as well as the size of the light source , but the height and angle will also determine how the shadows fall and shape the model’s face. Pose the model and move the light around instead of the model to move.
The shot above the light was positioned infront of the subject and has illuminated and lifted a lot of shadows on her face.