I know, not hugely important but a little interesting.... it should give you an idea of what other affiliates are looking for in sponsors anyway.
So have a look.
http://www.sponsorslist.com/top_keywords.php
http://www.sponsorslist.com/top_niches.php
My favorite search is
'I am looking for secure programming practices. I want anything related to architecture, design, implementation, and testing for secure engineering.' 