Since I'm on vacation, this will be a short article (I haven't forgotten about the Meteor tutorials, they're coming!).

For now, let me introduce to you ImageDock, an Image Gallery Plugin for WordPress, with a cool Dock effect (similar to OSX).
Check it out in action:

The settings panel is pretty simple, letting you choose some images, after which you can add the gallery using a shortcode

This is how the gallery looks like on the front end:
screenshot-1

Settings Page:
screenshot-2

The GitHub Repo

The Plugin Page on WordPress.org