Hi Glen,
Thanks for getting in touch. There is no way for TubePress to remove the YouTube logo from the player as that would be a violation of the YouTube Terms of Service (see section F.2.c here 1). Please let us know if there is anything else we can do for you, and thanks for using TubePress!
1 https://developers.google.com/youtube/terms/developer-policies#f-user-experience
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