Well, to be honest it's about time. The current top ten uk drama podcasting includes most of the output of BBC7 (and rightly so but still slightly depressing) and more interestingly, the musings of Paul Daniels (ORLY? YARLY!) More power to the man that's what I say. Still, I think the UK can be better representing ourselves for those boys and girls at Apple.
OK speaking xml, itunes likes a special flavour of xml which although similar to the standard podcasting flavour works with the itunes listing system to give the audience more information regarding your podcast. http://www.apple.com/itunes/store/po...techspecs.html
They have a couple of extra tags that help itumes identify content, fortunately as they've labelled them itunes specific most other podsubscription software disregards these tags so compatability shouldn't be a problem. So you can have one detailed feed file that will cover all the different software that may be used to subscribe to your work. The apple website is an OK place to start if a little bit technical. Also if you wish to check your feed to make sure that there aren't any coding problems with it I personally found this site quite useful. http://www.feedvalidator.org/
It just checks through and gives you a heads up if there are any programming errors. It was very useful to me when I started out.
Working my way through your back catalogue by the way. Your a clever bunch aren't you?