To use dlvr.it as your shortener in Tweetie:

Get your dlvr.it API key
1. Log into your dlvr.it account
2. Go to Settings tab
3. If you haven't created a key, click 'create key'. Copy your current key. It should look something like this:
e31eeb88a7544bec8ac633a7921c5281



Set dlvr.it as your url shortener in tweetie
1. Open tweetie.
2. Go to Accounts -> Settings -> Services -> URL Shortening -> Custom



3. Enter the following string in the "URL Shortening API Endpoint" field, after replacing YOURAPIKEY with your dlvr.it api key from above:
"http://api.dlvr.it/1/shorten.txt?key=..."



4. Save

You're set!