If you are planning to put an image on the web or sending your hard earned work  through an email, it is best to have these images copyrighted to prevent someone from stealing your work. Adding a watermark ensures that you are serious about making sure that your work is yours alone and nobody will be able to copy it or take it as their own.

This tutorial will help you add a watermark copyright pattern and apply it to your images.

Read the rest of the tutorial here: http://www.photoshopessentials.com/photo-effects/add-copyright-watermark-pattern/