How to use wordpress to upload and publicize files:
Files show up at gwern0.files.wordpress.com/2013/09/original_name.
There's also an "attachment page" at gwern0.wordpress.com/?attachment_id=##, but only after you publish the associated post, while the file is immediately world readable after upload, just secret.
To get wordpress to populate the post with links:
I see, thanks. It looks like that works - I see PDF links in both posts now.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Of course, for "every Monday", the last one should have been dated July 22-28. *cough*