Stereo component doesn't work, are there any alternatives? - aframe

i have a problem with the stereo component and the new aframe version, it just doesn't work. I am doing some picture galleries for stereo pictures. So i need a way to make them work. The stereo component just won't split in left/right. It either doesn't load at all or just gives the left eye image for both eyes.
Are there any alternatives to implement stereo pictures?
Also, for the future it would be much better to develop backgrounds with stereo pictures and then put in scene elements. I think there is a lot of potential for good sceneries.
Any help appreciated! :)
Cheers, Max
P.S.: I used every code example from the stereo component, just doesn't work at all. If my code is needed i can post it later.

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Edit: enter image description here
I've managed to enter into the A-Frame inspector (as I was using the default one) and drag the <a-entity> as I think this is the camera object. Now, how can I try and see this picture from the ground?
Thanks for editing my question. Feel free to do it. Have a nice day.
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