Tweetie 2 > Accounts > + > Tumblr Username / Password : [Action Icon]
API Root: http://tumblr.com/
Search API: http://tumblr.com/
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Warning: Don't use the same Tumblr / Twitter username if the passwords are different.

Twitter action = Tumblr action:
Retweeting = Reblogging
Replying = Reblogging with comment
Favoriting = Liking
@isaw = http://isaw.tumblr.com/
Conversations = Reblogs

When I set it up using a Tumblr account which has the same name as my Twitter account but a different password, my Twitter account is locked for incorrect password. I've had no problems using a Twitter / Tumblr combination with Tweete 2 which have different usernames. I guess if I used the same password for the account with the same username, this would also work but I have not tested this.

Sent from my iPhone

- Setting Instapaper as the webpage reader for links in Tweetie 2, paste the URL as the custom mobilizer:

Tweetie 2 > Accounts > Settings > Advanced > Mobilizer > Custom...

http://instapaper.com/m?u=%@

Sent from my iPhone