Firstly, good recruitment advertising works and the knowledge/components that go towards compiling good recruitment advertising include:
The future is in niche recruitment advertising where you can sneak up on a quality candidate and put a really good recruitment advertisement in front of him or her - i.e. the Top Marketing person who is on the Bizcommunity vertical getting updated on the latest happenings - put something really good in front of him/her in the form of a job title and motivating sub-title and once they have defaulted to the actual ad - they will respond, I guarantee it!