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 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.
Due to work flow optimization guys at Adobe decided to hide some of the filters in Photoshop CS6, if you are missing some of them, you can easily make the visible again.
Ok guys, this stone sign in the water tutorial is a bit on the advanced side, but do not be afraid to have a go, simply follow the step-by-step instructions really carefully and you should be fine, go!
If you like the Lords of the Rings movie trilogy, then you might also like this Photoshop tutorial, where we will make a dramatically red sky on a random photograph.