Mailhandler uses Feeds to let you post nodes by email. It takes mail (usually from an IMAP mailbox) and imports it as whatever type of content you choose. Plug-in modules allow you to do more awesome things like post comments, select different authentication methods, and set properties such as published / sticky status using "commands". Hugely powerful and flexible, but includes a "quick-start" module to help get you started.
This module embeds Gallery2 (http://gallery.menalto.com) inside your Drupal installation to support photos, videos and other content. There is support for 2 types of image blocks and a navigation menu, inserting of images into nodes via an input filter, TinyMCE support, syncing of users between the 2 applications, ...