Add the effect of light flare to your image. Use the on-image placement control to adjust the location of the light, varying the effect and ensuring that the light is placed right where you want it. Choose between Soft, Crisp or Dynamic shapes of light to vary the effect. Use the Strength slider to adjust the opacity of the light globally, or use a control point to adjust the effect selectively.
To see the Light Leaks filter in action, see below:Analog Efex Pro 2--Inside your Camera Kit: The Light Leaks Tool
Image by Laurie Rubin