audblog : sounding out
audblog is a service that provides bloggers (so far just Blogger) with the ability to post audio to their blogs from any phone. [by way of...Scripting News]
Kind of interesting, is pretty nice that you can post from a phone...
Here is the result.... 
audblog audio post
The Macromedia Flash tool that is being used currently by Pam's students and tools such as QuickVoice also allow you to create files that can be linked to from your blog...
Using QuickVoice, I recorded and converted this mp3 file: My son Fernando talking while looking out the window of an airplane...
QuickVoice can also be used along with other tools, to create audio post cards as outlined in this O'Reilly article by Derrick Story.