ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
123 Watermark - Simple, Quick and Flexible Image Watermarking Software for Windows.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Batch Image Watermarker - Add stylish static or dynamic text and graphic watermarks to your images and photos.
Phatch - Phatch = Photo & Batch!
TSR Watermark Image - Protect your images online.