Ok so I applied the media source, then un-applied it and deleted it. I just put the tv 'pageHeaderImage' back to the default system media source. Now the whole thing is really messed up. Thumbnails now show, but if I go to select an image file, I end up with the whole path repeated in the output. I have never had this happen when switching media sources. I even did a Modx Cloud backup restore to before I even messed with media sources in the first place, and manually cleared the cache, and it STILL has the same problem. So I end up with:
When it should be:
I left out the path from the other page's TV input and just put the file name, eg cafe_header.jpg, and it works. But that is an issue for the business owner to select his own headers in the future.
<section class="module parallax parallax-1 d-none d-md-block d-lg-block" data-type="background" data-speed="10" style="height:350px;">
<section style="max-height:350px;overflow:hidden;" class="d-sm-block d-md-none">
<img src="[[*pageheaderImage]]" class="img-fluid" />