You can use this page to test the Theme's handling of the
shortcode, including the columns parameter, from 1 to 9 columns. Themes are only required to support the default setting (3 columns), so this...
This is a test for Jetpack's Tiled Gallery.
Install Jetpack to test.
This is some text after the Tiled Gallery just to make sure that everything spaces nicely.
St. Louis Blues
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.