I'm currently putting the finishing touches to version 2.50 of FotoSketcher. A stable beta should be available soon, so stay tuned...
I have added a new effect (linear halftoning) which works quite well on portraits, even if I say so myself :-)
With a script (which I'll provide with the beta) it's easy to create a cross-hatched image like the example below (click on the picture to view full-size):
The new algorithm can also work in color:
In version 2.50, I will also add a new language, Serbian (thanks Nikola!).
All the best,