On these two very short videos portrait photographer Nathaniel Dodson (from the website tutvid) demonstrates how to better use masking and how to automatically center a new image in Photoshop.
So the first tip is something that many of you might already know but for all of you who don’t (or just happen to forget), this one is really helpful – let’s say that you added an adjustment layer and you want it to apply to just part of your image – all you need to do is add a layer mask while holding the alt/opt key and you will get a black mask and now all you need to do is use the brush to paint with white on just the small area that you want to apply the adjustment layer to – simple right?
The second short video (below) will help you to center the new image when you place it in an existing image – when you drag and drop it to the existing image just remember to press the shift key and the image will be centred automatically!
[youtube]https://www.youtube.com/watch?v=g1x5ZEeSOQU[/youtube]
One simple cool effect that you can do with this for example is demonstrated by Dodson in the video – creating an image of a smartphone taking a picture (of the picture that was in the first layer), really simple and really cool.
You can find many more Photoshop video tutorials on LensVid’s Photoshop section. You can also check Dodson’s previous videos here on LensVid.
Iddo Genuth 
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