vintage effect - photoshop cs3

1. Open up the picture and unlock it if it isn't already unlocked.
2. Create a new layer, and color it with black/#000000 and set that layer to Color at 55%.
3. Create another new layer, color it with orange/#EDAE26 and set that layer to Overlay at 100%.
4. Create yet another new layer, color it with a darkish, half unsaturated purple/#5D2444 and set that to Exclusion at 80%.
5. Lastly, duplicate the original image you had at the bottom, drag that layer to the top and set to Darken at 65%.
6. You're done! Should look something like this:

Please comment if this helped you. I encourage you to suggest more tutorials, I enjoy writing them! :)