I don't think I can do any little thing to make preview of a Streamanity video work. I think it is up to Powping to add support for preview of Streamanity videos. It is the same for newtube videos as I have reported to Powping on <a href='https://powping.com/posts/c4ae34e5e800ff6f985d91569a34e04cd0c13e61f22ca44e4e88263a4689e67d'>https://powping.com/posts/c4ae34e5e800ff6f985d91569a34e04cd0c13e61f22ca44e4e88263a4689e67d</a>.
I don't think I can do any little thing to make preview of a Streamanity video work. I think it is up to Powping to add support for preview of Streamanity videos. It is the same for newtube videos as I have reported to Powping on <a href='https://powping.com/posts/c4ae34e5e800ff6f985d91569a34e04cd0c13e61f22ca44e4e88263a4689e67d'>https://powping.com/posts/c4ae34e5e800ff6f985d91569a34e04cd0c13e61f22ca44e4e88263a4689e67d</a>.