Watermark Plugin for iPhoto.

Key Features:

- Adds high-quality watermarks to your photos in iPhoto
- The original files are not altered
- The watermarked photos are automatically imported in iPhoto
- Multiple photos can be watermarked with one click
- Existing PSD (Photoshop) or PNG images can be used as watermarks
- Watermarks can also be created from a RTF text file
- The Impression plugin can place watermarks horizontally and vertically
- Controls are available for adjusting the transparency, position and margin