Here's a snazzy little way you can ping your favorite articles from Google Reader.  Thanks to the guys on the Google Reader team for hookin it up!

Step 1: Go to your google reader settings.

Step 2:  Click on the "Send to" tab.

Step 3: Check the Ping.fm checkbox.

And there you have it!  Now all of your Google Reader articles will have a Ping this! link on them.  Yay!