If you have elders, they probably have some photographs that are a quite aged. They might be faded yellow, or have creases or rips. I'll show you how to fix these problems in this Instructable. These tricks aren't my ideas; I've picked them up in the 4 or so years I've used Photoshop. If you like this Instructable, please rate and/or vote for me! Thanks!
http://www.instructables.com/id/How-to-Restore-an-Aged-Photograph-in-Photoshop/