Brightness and Contrast in Photoshop

Brightness and Contrast is used for... um... yea, I'll get back to you on that one...

To adjust the brightness and contrast of an image:

1. Open your document.
2. In the menus, choose Image -> Adjustments -> Brightness/Contrast.
3. Move the sliders back and forth and watch what happens.
4. When you're done, click OK.

Done!