The original image may rain very small, the sky part is more bright. To render the feeling of rain also need to put the background pressure dark, tonal gray point. These authors have detailed instructions. The production of rain is more important, the point of the photo, you can refer to the relevant production of rain tutorials.
1, open the original material, create hue/Saturation adjustment layer, select yellow, and then use the straw to draw the color of the grass, reduce the saturation parameter set as shown below.
Photoshop filter to make rain effects tutorial
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