I used to hate them too. Giving a presentation that had taken weeks to prepare (during 'free' time at work) to a whole load of people who didn't give a toss.
The more I did them, the less the fear got me.
Strangely, now I enjoy them - although now I am a student and am presenting to my peers.
I think the nerves diminished when I realised that I knew what I was talking about, when I knew how the presentation flowed, and when I knew what sorts of questions I might get.
I try to keep a very slight sense of fun/humour through whatever I'm presenting on, and make sure I start and finish on time.
One tip I heard was to imagine that everyone was naked or in their underwear, but that made me feel worse.
I usually start by looking slightly above and to the left/right of someone's head (random person in the middle of the room), and smile. Then as I ease into the flow, I try to make sure I glance around the room, near enough to people's faces that they think that I'm looking at them.
Good luck!