Clean Up Your Background. It can be tough to see if your white background really is 100% white. Often times what looks white or black on your computer screen is just a shade off or it contains patches of other colors or dirt.
Check out the full post at: http://phlearn.com/how-to-clean-up
For more tutorials and how to videos check out our extensive Photoshop and photography video channel: http://www.youtube.com/user/PhlearnLLC
We cover everything from Photoshop tutorials, photography tutorials, how to videos and more!