bam
The most important widget! Get the Gallery onto your page with this.

Widgets to display information such as titles, date, user/author information, etc.

set_id, get_id
selected_set, get_selected_set
set_title
simple_title
set_author
set_date
set_description
set_relatedlink_title
set_relatedlink_url
set_type
set_image_info

Widgets to display images and information, such as in a slideshow or lightbox.

set_cover_image
set_list_thumbnails
set_list_images
set_image
Slideshow 1 (uses the jQuery Cycle plugin)
Slideshow 2 (uses the Varal ImageSwitcher)
Lightbox (uses the jQuery Lightbox plugin)

Widgets to help control the behaviour of your page, such as identifying which mode the page is in.

if_set_is_last
if_set_is_not_last
gallery_is_mode
gallery_mode_link
title_linkToMode
gallery_category_dropdown
gallery_get_categories