Logo Blurry When Published

Help.  I've published a course and the logo is blurry.  It's at less than 200 by 220 DPI but still high resolution .png, it's published at the highest quality setting and the player size must be adjustable to fill the screen vs. being locked at optimal browser size (sorry).

Any ideas how to make it a better resolution because the current is not acceptable for the client? 

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