[wpvideo tFnqC9XQ w=680]
VideoPress, especially as a video post format, usually provides some unique styling issues.
You will need to install Jetpack or Slim Jetpack plugin to turn the shortcode into a viewable video.
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Featured Image (Horizontal)
This post should display a featured image, if the theme supports it. Non-square images can provide some unique styling issues. This post tests a horizontal featured image.
Featured Image (Vertical)
This post should display a featured image, if the theme supports it. Non-square images can provide some unique styling issues. This post tests a vertical featured image.