Adds a block with a social bookmarking service button from Add This.
Help your users share your content everywhere. Generate traffic back to your site and increase your site's search engine ranking.
Social bookmarking is a method for Internet users to share, organize, search, and manage bookmarks of web resources. Unlike file sharing, the resources themselves aren't shared, merely bookmarks that reference them.
This module may be downloaded from the Gallery Codex here.
To install, extract the "addthis" folder from the zip file into your Gallery 3 modules folder.
Afterwards log into your Gallery web site as an administrator and activate the module in the Admin -> Modules menu.
This will add a button in the item actions section similar to the slideshow button