aPhoto is an easy-to-use watermark sign tool.
How to run:
OS X: Double click "aphoto.jar".
Linux: Click "aphoto.sh"
Windows: Click "aphoto.VBS"
Of course you can also start by :
Run command "java -jar aphoto.jar"
Right click on "aphoto.jar" and select "Open with Java runtime".
Please refer to manual for details.