Through this step-by-step guide you can change an actual figure to a ghost
like appearance and make a backdrop for it too.In this tutorial we will use
Pen, Marquee tools and other effects.
7. Now select Desaturate from the Image menu.

8. And then Level option from the same menu and apply
the settings as shown below :
9. Set the Blending Mode to Screen.
10.Now its time to add an image(as shown below) to the document.

11.Select the girl using Pen tool.

12.Now right click on the image and select the Make Selection
and apply the settings as shown.

13.Now press Ctrl + Shift + I and then Delete.

14.Now select Desaturate from the Image menu.

15.Then select Level from Image menu and apply
the settings ass shown below :

16. Press Ctrl + Select the girl image layer.

17. Create a layer above the girl image layer and fill with
background color( #7A7A7A).

18. Press Ctrl + Select the black window layer. Now press
Ctrl + Shift + I and then Delete.

19. Now its time to create moon for that create a circle as
shown below.

20. Fill with White color on a new layer.

21. Press Left Arrow key 10 times and Top Arrow
key 4 times .

22. Press Delete key.

23. Place the shape as shown below.

Well I hope you had fun with this tutorial!