With the Watermark Photoshop Action you can easily create many different custom watermarks to protect your digital images. Simply open your .png logo (at any size and resolution), choose any of the 3 included actions and click the play button in the actions panel. In less than a minute you will have your custom watermark ready to be used on any of your photographs.
You may choose from 3 different watermark styles: Grayscale, White and Black. Right after you created the watermark you can use it over any image, scale it and/or change the watermark opacity.