If you use twhirl to post to Twitter, you can also use it to pass along your tweets to Ping.fm. Here’s how:
1. In twhirl, click Configuration (the wrench icon). The Configuration dialog box opens.
2. Display the General tab.
3. Select the Ping.fm check box.
4. Type your Ping.fm app key.
5. Click Save. twhirl saves your new settings, and will now also send your tweets to your Ping.fm account.
"Twitter Tips: Configuring twhirl to use Ping.fm"
Reference : wiley.com
0Awesome Comments!