there are very limited editing feature in a blog entry.
can add picture, links, probably table.
but embeding a web link just put the text in here
http://www.youtube.com/watch?v=LHqPOoldyMw
newer platform will detect this as youtube video and provide a pic of the video, avail for inline playing.
Squarespace blog don’t really do better. But if it is a standard “web page”, then the video is there. see:
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