User interface

• Image editing(emboss, charcoal, resize etc)
• Applet upload
• Zip archive upload
• Hotlinking disabled by default
• Registered users can have private and public viewable albums
• Album slideshows
• Users can search for images
• Email account verification
• Convert image format
• Easy to remember album URLs e.g. http://yourdomain.com/img/user/album
• Hotlinked thumbnails show site name, image size, and image dimensions (the screenshots page has examples of these hotlinked thumbnails)

Feature packed admin panel

• Enable hotlinking on an account to account or site to site basis.
• You can set sizes for guests, registered users, and zip archives.
• Set publically viewable directories
• Modify site templates
• View recent images
• View image referrers
• Delete users
• Modify users
• Delete images

Server requirements

• Unix
• PHP 5.x.x
• MySQL 4
• ImageMagick 6.0
• Ioncube(Bundled)

Note: You cannot modify the file types allowed, however, they are the most popular formats so there shouldn't be any problems.

Also, you cannot install this in a subdirectory of a site, it must be in the root, i.e. yourdomain.com or sub.yourdomain.com.