The example has been made by Laura Mabee with the help of the AKVIS Coloriage plugin in AliveColors. You can use the standalone version of Coloriage, and do the same things to achive this result.
The description of the example is written by the author:
I am going to show you in this tutorial how I made antique exoticism come to life with AKVIS Coloriage with this early 1900's picture of a Geisha:
Using the very useful Color Library, choose the colors for the postcard:
Use hot keys to adjust the size (diameter) of the Pencil: to reduce the brush size press the key [, to increase the brush size press the key ] in the keyboard.
If you feel that you want to get smaller details, just zoom in with Coloriage's Navigator.