Picture shark
Picture-shark is the first choice for people who want to "stamp" visible logos or text on their image files...........
Some of picture-shark's features: With its wizard like interface it is super easy to use Create real watermarks. Choose transparent color, opacity, position and much more. Use the "feather"-feature to make the edges between the stamp and the picture smarter (as with any other tool, just by one mouse-click). Very fast (processing hundreds of pictures each minute). Support for different output formats and quality settings. WYSIWYG preview-mode for all settings. Support for preserving jpeg-headers. Copy and paste between other applications and picture-shark.
