Admin
Tag Tools		Recount / Rename / Etc
	Feature
Post Comments		Allow users to make comments on images
Post List		Show a list of uploaded posts
Wiki		A simple wiki, for those who don't want the hugeness of mediawiki
	File Handling
Handle Pixel		Handle JPEG, PNG, GIF, and similar files
Handle Video		Handle FLV, MP4, OGV and WEBM video files.
Regen Thumb		Regenerate a thumbnail image
Replace File		Allows people to replace files for existing posts
Resize Post		This extension allows admins to resize images.
Rotate Image		Allows admins to rotate images.
	General
Alias Editor		Edit the alias list
Autocomplete		Adds autocomplete to search & tagging.
BBCode		Turns BBCode into HTML
Common Elements		Renders common elements (thumbnails, paginators) in a way that themes can override
Favorites		Allow users to favorite images
Generic Blocks		Add HTML to some space (News, Ads, etc)
Link to Post		Show various forms of link to each image, for copy & paste
Random List		Allows displaying a page with random posts
Random Post		Do things with a random post
System Info		Show various bits of system information
User Bios		Allow users to write a bit about themselves
	Metadata
Auto-Tagger		Provides several automatic tagging functions
Lock Editor		Allow images to have metadata locked
Owner Editor		Allow images to have owners assigned to them
Post Relationships		Allow posts to have relationships (parent/child).
Post Scores (Numeric)		Allow users to score images
Post Titles		Add titles to media posts
Source Editor		Allow images to have sources assigned to them
Tag Categories		Let tags be split into 'categories', like Danbooru's tagging
Tag Editor		Allow images to have tags assigned to them