Is there any admin UI for the D6 version of Filefield Styles?

In the blog post at http://aaronwinborn.com/blogs/aaron/media-styles there is a screenshot of an admin UI -- I realize that the screen cap was taken in D7, but does a comparable admin UI exist in the D6 version?

I have a pretty vanilla test install in place that I set up just for this -- the installed modules can be seen below:

In short, I'm not able to find the admin UI for specifying what style should be used for what mimetype. Is this a PEBKAC?