Just experimenting with this sort of manipulation. I basically played with the layer modes and it was fun since I never thought I'd end up with this on a second try at this kind of stuff.
First try, a very lame one by comparison, can be located here
[link]
Stock: 
model - dreamstime
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Tamilia [link]~
Lordsiyei [link]fire psds of my own making. Available for purchase in my Aethereal-Dreams store