from this
to this
1. Take your picture resize it and crop it.
2. Create a channel mixer layer:
red: +100 +6 -8
3. New curves layer:
RGB
point 1: 97 144
point 2: 172 205
blue
point 1: 118 137
point 2: 141 162
4. New selective color layer:
reds: -41 +13 +50 0
whites: +100 -58 -87 0
neutrals: +18 +18 +37 0
:
.psd more examples
more tutorials
here