As of July 1st, 2011 I am the Graduate Placement Officer for the UWO Philosophy Department. I have provided some links that might be useful below.
Check back here occasionally for updates.
Job Candidate's Checklist
Some Websites with Job Listings
American Philosophical Association
Chronicle of Higher Education
Canadian-Universities.net (links to HR sties of universities and colleges in Canada)
University Affairs Job Site
Resources for Cover Letters, etc.
UC Berkeley page on cover letters
IHE article on prepping for campus visits
Philosophy Smoker blog post on what s/he wished s/he would've known before the job search