My Sixth Tutorial
to 
[not translatable]
(some steps may need adjusting according to base)
step 1:
choose a picture. crop it and fix up however.
step 2:
duplicate your base and set to screen - 100%
step 3:
selective colour layer -
reds: -100, +50, +50, 0
yellows: -50, 0, -50, 0
neutrals: +10, +10, -10, +10
step 4:
channel mixer layer -
red: +150, -60, 0
blue: -69, +73, +105
step 5:
new fill layer; #54664B and set to soft light - 100%
step 6:
new fill layer; #360C0C and set to exclusion - 50%
other examples:

also here (i'd prefer comments there) @
