Hi. I've been struggling with getting Postie to work on my blog (WP 2.9.2 & Postie 1.3.4).
What happens was, no matter which template I select under Postie settings, it only would post as a simple link to the file. Doesn't matter if I select, say the Google Player for an audio, it comes out as a plain link to the file in my uploads folder.
If I edit the custom template in the Postie settings, I can add text in before the file is embedded, but the file still shows as a link.
This happened with video and audio attachments. Images would show inline.
What I ended up doing was editing the Postie templates directly through Edit Plugins so the simple_link string contained the code I wanted.
As far as I can tell, it was insisting on using the string in postie-functions.php, rather than drawing from one of the files like audio_templates.php, since editing audio_templates.php didn't fix the problem.
So I have a workaround, but ideally the problem would be fixed so others don't run into it. Hopefully you know what the source of the problem is or this post helps you to figure it out.
Let me know if you have questions about my settings or anything that might help you troubleshoot it. a