Adds icons for Mail, Profile, Favourites, Scout, Interestingness, DNA, Leech and the user's photo archive next to usernames in forums and on individual photo pages. It also allows you to send Flickr Mails without leaving the current page you are on.

Flickr Quoter adds a "quote" link to flickr discussions in groups, forums, and Flickr Mail, making it easier to quote people.

Adds some options to help manage your Flickr mailbox. Including "Mark all as read" and delete all Notification emails, such as "you are x's newest contact" and Group Invitations, and also a "Nuke mailbox" function, that deletes all your mails

Lets you send Flickr Mail to multiple recipients from your contacts list.

Adds a "mailto" button above Flickr photos, and also puts a "send page" link on every page, letting you send that page's link by Flickr Mail or Regular Email