A quick shortcut button to launch your Tumblr dashboard from the toolbar.
Image from store
(2016-12-18) Atrix Shadoww: just a bookmark
(2012-03-20) Mackenzie Martin: The button works great! I suggest it for anyone who gets on tumblr a lot, and gets tired of typing. This is exactly what I was looking for.
Occasionally I will have to log in again after not using it for awhile, but other than that it works fine!