1. Open your image in Photoshop.
2. Drag and drop the selected Overlay into Photoshop and place it on the top of your image.

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3. stretch the overlay on top of your picture, transform its size as you want (but don’t distort the aspect ratio).

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4. Make sure the Overlay layer is selected.

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5. Change Blend Mode of the Overlay layer from Normal to Screen.

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6. Change the Overlay layer opacity to decrease the Overlay effect.

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Or you can duplicate the Overlay layer to enhance the effect of Overlay.
Right-click on the Overlay layer and select Duplicate Layer.

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7. If you want to erase the Overlay effect from some areas, create a white mask for the Overlay layer.

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7. Make sure the Overlay layer mask is selected.
Using a black soft brush paint over image areas to delete (100% opacity of the brush) or decrease (30-50% opacity of the brush) the Overlay effect.

Overlay without Overlay layer mask

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Overlay with masked areas

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8. Combine different Overlays and play with them as you want for perfect results.

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