Image overlay pattern comes in very handy when a website has a full screen image or a video as a background. Applying a pattern can make things more readable and easier on eyes. Let's Photoshop.
Pretty useful trick in Adobe Photoshop, where we will change the setting for showing dimensions in pixels instead of centimetres while making selections.
In Photoshop CS6, the new version of Photoshop, you can use special cropping tool and you are done, but that doesn't mean you cannot achieve the same result with older versions.