Extension Manager

Edit the alias list
Provides several automatic tagging functions
Turns BBCode into HTML
Uploads images automatically using Cron Jobs
Allows admins to modify & set custom <head> content
Show a "down for maintenance" page
Allow users to favorite images
Add HTML to some space (News, Ads, etc)
Integrates Google Analytics tracking
Handle JPEG, PNG, GIF, WEBP, etc files
Use an additional stylesheet on certain holidays
Show various forms of link to each image, for copy & paste
Allow users to make comments on images
Show a list of uploaded posts
Allow users to rate images "safe", "questionable" or "explicit"
Add titles to media posts
Tracks & displays how many times a post is viewed
Turns BBCode into HTML
Regenerate a thumbnail image
Report posts as dupes/illegal/etc
Allows the admin to set min / max image dimensions
Show various bits of system information
Allow images to have tags assigned to them
Allow users to write a bit about themselves
Sitemap with caching & advanced priorities