This is probably a stupid question, but I spent all night last night and couldn't figure it out. I was trying to make a simple action to put a water mark on the lower right corner of each of my photos. While the actions I tried to make works for one photo orientation (portrait or landscape), it wouldn't work for both - the action works fine on all portrait-oriented photos, but would place watermark at places often out of the view of the photo in landscape-oriented photos.

So my question is: is there an easy way to do this?

Thanks a lot for the advice! And sorry if this question seems stupid.
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Jack