If have been using Photoshop for a while now, you must had also notice the Mask Tool. But do you know what exactly it does and how and when should you decide to you use it?
If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.
In the previous part of this Photoshop tutorial we made the photo look dark as night. We will now continue by adding some light to one of the windows and placing a nice looking moon into the sky.