ZenThumber allows you to apply watermarks and create thumbnail images.
Edit By BS Editor: Simply select a directory containing the images you wish to process and hit a button to Create thumbnail representations of the images. The user friendly user interface will let you be up and running within seconds. The many options should also be enough to suit most needs when managing large web galleries.
Demo version restrictions:The demo version will allow a maximum of five images to be processed at a time. you can free download ZenThumber 1.7 now.