I have updated the blog to correspond to the latest program version which I just made available. This version revamps this function and makes more robust the watermark placement. I also added a help tag when you hover in the image area. The best placement is achieved when the image is about evenly placed within the image area.
More recent updates had changes to the clear function and the watermark placement function which was not captured by these changes. The clear function corresponds to the X button on the data navigator. Clicking this erases all changes.
The blog is at
http://zimpro.co/blog/?p=24Let me know if you continue to have issues.