Amazon S3 course looks crazy!

Hello. I created an S3 account and used CloudBerry Explorer to upload content, per the excellent advice of @TomKuhlman but now my dimensions are way off. 

Here's an a example that was created at 720 x 540 using Storyline 2. You can see the upper left where my owl logo is and a bit of the main content title, bt that's all. Every course I uploaded (4 of them) looks like this. The other sizes are 1024 x 768 and 875 x 415 but they all look like this.

Help!? Thanks.

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