After you installed this plugin every JPEG and PNG image you upload to your wiki will be decorated by a watermark automatically!
Configuration and Settings
You have to upload a file called 'watermark.png' by the media manager to the root namespace or to :wiki namespace by the media manager, with the watermark you like to use. Transparency is supported. Save it under the same file name else it wouldn't work.
Known Bugs and Issues
- add the abbility to scale the watermark relative to the uploaded image.