Clicking add album will take you to page which lets you create you album with a multitude of options.

You will be able to select the category the the photos fall under, choose if you want to group the album under an existing album, choose a theme for the album, enter the album name and then description and finally you can optionally enter a password if you wish the album to be private.

There are also simple instructions on how to fill you albums to bursting point with photos!