Help with coloring dark caps, please?

[round]

Program(+version) I'm using: Photoshop 7
Example(s) of the coloring I want to learn how to make + credit to the maker:



made by http://salvatorebrothers.tumblr.com

A link to the un-edited/not colored original image/screencap:
http://www.homeofthenutty.com/vampirediaries/screencaps/albums/VD3x08/308VampireDiaries1689.jpg