~If possible, stand where you will be making your speech and examine your surroundings (this allows you to get comfortable with the area). 

~Practice your speech and using the projector several times beforehand so you will know what you're saying and how long it might take.  This will help with your nerves too.

~Be aware of your body language from the moment you stand up until the moment your presentation is completed.  People will believe your actions more than they will believe your words.

~Maintain strong eye contact so your audience makes a connection with you.

~Don’t speak too softly, too fast, or mumble. It is very important for your audience to be able to hear and understand what you are saying.

~It is also important for them to hear your

~Don’t slouch or hide behind a podium or any piece of furniture. This will just show that you are nervous and need some kind of security.  If you look like you dread giving the speech, your audience will dread listening.

~Look like you're confident and sure of yourself even if you are not by standing tall and smiling pleasantly.  

~It  is important for you to make eye contact with the members of your audience. This way, people will believe that you are speaking to them individually instead of a group of people.

~Take It Slow and Easy; when you are nervous you tend to talk too fast.  Likewise, don't have lots of "uhhhs,"  "ums" or long pauses.

~Speak the Way You Talk.  Don't read or speak in a flat tone; that is sure to put your audience to sleep.

~Your audience may express disagreement, boredom or frustration and you should pay attention to the signals they may send you.  Don't rush ahead or look worried.  Remember, it's certain that a few people in your audience will get bored or disagree with you (and every other speaker), so you can expect that and accept it.

~Losing your audience's respect and attention  is less likely if you have an organized, interesting presentation and follow the tips above.