Podcast
You may create default values for your iTunes tags
and any custom RSS channel tags used in your
Podcasts. The values entered here will become the
default tags for all of your Podcasts, but you may
override these values in any Podcast if desired by
using the iTunes Tags and the Custome RSS Tags tabs
in the "Add Podcast..." pane. When you click the
"Podcast" tab in your blog's "Setup..." area, two
sub-tabs will be visible: "iTunes Tags" and "Custom
RSS Channel Tags". The default view is the "iTunes
Tags" sub-tab pane. 


Blog - Setup: Podcast: iTunes Tags
To set the default iTunes tags to be added to your Podcasts, click the "Enable Custom iTunes Tags" checkbox and edit the fields on the Podcast: iTunes Tags pane.TIP: For more information about Podcasting and iTunes, including a complete list of the iTunes tags used by by iTunes, go to Apple's Podcasting and iTunes: Technical Specifications page.
If you wish to add default custom RSS Channel tags to your Podcasts, click the "Custom RSS Channel Tags" sub tab.