WordPress.org

Author: Naden Badalgogtapeh

TwitterThisPost display a post to twitter link below you post and comes w/ very fine graned configuration options.

As as clue, TwitterThisPost does not need to make external api calls to shrink your permalink. It's all done on the fly thanks to the great i2h.de shorturl Service. Check out the api and don't forget to follow me on Twitter.