[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.
Related Post
Post Format: Image
I really love this wallpaper. It makes me think fondly of Chris Ames.
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.