Make the feather look smoother, using Smudge Tool and brush's Hardness on 0%. The Strength must be on 80%.



Smooth it out more, using a big size of Smudge Tool with the brush's strength on 40%.



Apply the next instruments: Burn Tool and Dodge Tool for adding shadows and the light.



Make use of another instrument (Eraser Tool) to correct the feather's edges.



Choose again the Brush Tool to picture definitive feather fibres and make the feather look more naturally.



The feather's shadow is possible to represent on the background's layer.



Blur it out, applying Filter ? Blur ? Gaussian Blur.



Apply the next command Image ? Adjustments ? Curves (ctrl+m), to change the feather's color.



And also the layer's color on the appropriate one: Image ? Adjustments ? Selective Color.



That's it!

 

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