On the chance someone on my flist is interested or knows someone who might be...
From the Big Finish website:
OPPORTUNITY FOR NEW WRITERS
(19/01/2010)
For a very limited period, Big Finish is pleased to invite prospective writers to pitch ideas for a one-off, 25-minute Fifth Doctor and Nyssa audio adventure, which we hope will make up one of four single-episode stories comprising a future Doctor Who release.
Full details are contained in the briefing document, which you can download in .pdf format here:
http://bigfinish.com/file-store/writers.pdf But hurry - this window of opportunity closes on Monday 1 February!
Big Finish produces some really fine audio dramas. I think they would be fun to work for, and if you write an episode, there's a chance you'd be interviewed for the CD extras!