Kuha ka ng marble o kahit anong sculpture na same angle ng pix na gusto mo i-edit
gumawa ng guidelines sa forehead, jaw and cheeks and i-resize ang photo
make a mask layer and bura-bura pag itim ang foreground and balik-balik pag puti
Desaturate and adjust color hangang mag-match sa sculpture...then lahat ng natirang dark colors pilliin
especially the eyes and mouth...kung pwede apply emboss filter and...THE END
vist this link for large sample
http://espiya.net/forum/index.php/topic,88772.30.html