Features:

Multiple Image Uploader
Front-end Uploads/ Gallery creation.
Community Builder plugin,
Slideshow,
Categories/subcategories,
User Ratings,
User Comments,
Access control over galleries and individual images,
HTML Descriptions for each image,
The photos are displayed with javascript, so the whole page does not reload when a new image is viewed,
The width and height of gallery/ thumbnails is customizable,
Full lightbox gallery,
Customise position of thumbs(top/bottom/left/right),
Customise position of descriptions(top/bottom/left/right),
The big images can be links,
Joomfish support,
Option to preload large images after the page loads,
Search engine friendly urls (joomla and sh404sef),
The plugin can put one or many galleries into an article,
The module puts a gallery into a module position,
There are English, French, German, Greek, Hungarian, Icelandic, Italian, Norwegian, Polish, Portuguese and Spanish language files.

files include:
com_igallery_v2.zip
igallery_v2_beta_to_stable.zip
joomfish-igallery-unzip-first.zip
mod_igallery_v2.zip
plug_igallery_cb.zip
plugin_igallery_v2.zip