If you’re out there, and looking for work, I recommend you read this article, by Joel Spolsky: Getting Your Resume Read. It’s really excellent advice.
A buddy of mine was doing some hiring recently, and he was astonished by the number of people who violate basic etiquette, pay zero attention to details, and seem to ignore the rules set down in the initial job posting. Perhaps that’s just desperation. But — if you’re jobless, it’s on you to do everything as right as possible, yes?