4. Most Sepia conversion techniques stop at this point – But the image can look washed out. To add the depth back into the image, set the top layer’s blend mode to Colour and reduce opacity to 80%, again this will depend on your image.
5. Much better, isn’t it? Here are the results, Top is the basic process, bottom includes the depth step.

See the difference yourself!
Thanks
~ Cof ~
About the author:
I live in Northern Ireland, currently still in school studying to do Sonic Arts at university. Enjoy photography (Nikon D70) and Photoshop (Cs), aswell as playing bass in jazz bands and singing choral/classical works.
Check out my Profile/Gallery for more tutorials and to see my work.