Hmmm. We have to start from ground zero I guess.

My sphere was just a demo- something to put into the photo and make it seem like it belongs.

The shape is not important. It was just something to demonstrating casting a shadow.

Show me a screen shot of your scene setup. You should have a photo background, a ground plane, and something to be in the scene to cast a shadow. The photobackground should be mounted on a one-sided square.

Use the Aux camera to show me your setup - as well as how it is viewed with the camera that is to be used for the render.

Without doing anything with my shadow catcher, just render the scene and show me that. I'm expectiing to see a photo background, which is partially covered by your subject, as well as covered up (partly) by your ground plane.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)