Undesirable behaviour as discussed here: https://friendica.hubup.pro/display/174591b42159ad26547f7e9880359443
Such Twitter posts end up with duplicated images via pulling embedded picture from tweet and original Flickr URL.
This seems to be fixed now.
There is no duplication of images any more in such posts.
I haven't done anything. It's magic ...
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I haven't done anything. It's magic ...