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Thanks for the heads up, I could change the thumbnail for the post, but it's too late for the youtube vid unfortunately :( Unless you know a trick?

bloop.

Yup it worked, thanks :)

You're welcome!

@heiditravels mention what the trick is, share it so we can all learn something :) .

Venture to the edit page of a particular video, for the thumbnail options, the bottom option represents the custom photo. Hover your cursor over the image and select new image. :)

Thanks pretty!.