Registered user can post, unregistered can add comments, if authors allow this option per specific posts.
Adding posts and comments with captcha.
Registration by email confirmation
Poster can choose fonts, backgrounds from the media library, upload pictures. Num of pictures and max size are parameters.
Also needed page/library with custom post templates per different faiths
Sending permalink to the author after publishing
Popular social networks connectors
Reminder - publishers can set up email reminder (one time or repeating) to specific date.
Any post includes 1 predefined automatic category and name/nic of the late person
Front page includes "pinned" by admin and last users posts
Search by author, person, date range