Gallery of Animated Posts is a simple plugin for theme Gridsby that adds a shortcode for displaying a gallery of animated posts anywhere in the content of a page or a post. Posts to be displayed are of post format image and can be selected by tag and query parameters as described in Class Reference/WP Query.
[gallery-of-animated-posts]
will output the HTML code for a gallery of all image posts and
[gallery-of-animated-posts tag="frowny"]
for a gallery consisting only of image posts that are tagged with the slug frowny.