This is a really simple tutorial that I discovered when I was playing around with Paint Shop Pro X.
from
to 
1. duplicate your image and set to softlight.
2. go to adjust/hue and saturation/hue map
3. use the following settings:

and voila!

other examples




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harrypchallenge!
from
to 
1. duplicate your image and set to softlight.
2. go to adjust/hue and saturation/hue map
3. use the following settings:

and voila!

other examples




Join
harrypchallenge!