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I found this today and remembered this post. There's a video linked in this article. You might have already seen Nicole in some documentary or other, but in any case I hope this is of your liking.
http://afterlife topics.com/interview-with-nicole-de-haas-physical-medium/
(copy and paste the link to avoid link referral)

By the way, I've always read that ectoplasm can only manifest in absolute darkness.