A Complete Guide To Tumblr — Smashing Magazine
Setup/Installation: Tumblr - Social Networks Auto-Poster for
Tumblr Boosts Security With Two-Factor Authentication
Signup/Login With Tumblr - API integration
How to Change a Tumblr Password - Free Tumblr tutorials
Use tumblr's signup form to login
new blog, spooky edition: Yeah, this is a feature of the new
How to Use Tumblr: 6 Easy Methods to Get You Started
A while back I posted about how this shows up on Tumblr search