In the age of Pinterest and people fearing of their images being used without their permission, it's becoming a more common practice to watermark your images. Originally, a Watermark was a faint design made in some paper during manufacture, that is visible when held against the light and typically identifies the maker. You can achieve a similiar mark with your digital images and it's a lot easier than you think.
I recently started adding a Pulp Sushi watermark to my Etsy images because I still pin my items to one of my Pinterest boards.

I try to keep it faint enough so that it doesn't take away from the item featured but it's still present. Recently I was asked how I do this so I thought it would be neat to share a little tutorial from moi - which is rare!
I watermark my images using Photoshop. Once I'm done tweaking it's appearance to how I'd like it to look, it's time to watermark. A new layer is added for the text which in this case is "Pulp Sushi" - click images for a larger view.


Under the Edit menu, I select "Free Transform" and this allows me to stretch out and rotate the text.

After I set my text its time to fade it so it's almost transparent. You can do this under Layer, Layer Styles and select "Blending Options" or take the shortcut like I do..

In the first box under "General Blending", I keep the Blend Mode at "Normal" and bring the Opacity down from 100% to whatever number I think looks good, which in this case is 5%

Then click "OK" and flatten your image.

Once you flatten your image by merging the layers together, you can save your image and you're good to go! I hope this was helpful and somewhat informative. If you have any questions or I may have left something out, please let me know! It the first tutorial I've posted on my own blog so be gentle - there's a reason why I don't do too many of these. :)