Update: Test results as follows:
1. Logged in through Facebook Connect.
2. Created a new post on a travel blog and called it "test" and entered test content.
3. Published as normal. No effect on Facebook.
4. Clicked "send" and chose the option to send a notification to Facebook friends.
Previously, this option used to send an actual "notification" (red pop-up on bottom right corner of Facebook) to every Facebook friend on your list. Very annoying.
NOW, this does exactly what I wanted it to do. It publishes to my profile, my news feed, and my friends' live feeds. Here's a screen capture:

So, in short, this was exactly what I'd been hoping Travelpod would do with Facebook. And it works like a charm.
Note: Facebook feed has two options: "News feed" (which is sort of a "best of") and "Live feed" (which shows pretty much everything). A new probably won't appear in the "news feed" of most friends, unless it's got a lot of comments on it, because third-party applications are generally buried by Facebook's algorithm. It *will* however show up in their Live Feeds. Which is exactly where it should be.
So, in short, thanks Eric and Tpod dev team - this rocks!