improve public speaking

How can I improve my public speaking? Please advise. Thank you.?
I work in a large organization, and I am obliged make a presentation in front of lots of 30 or more. Some participants BOAD administration and continue to ask questions. Sometimes, I become nervous when they speak. Thank you advice. Thank you.
You can become a member of Toastmasters, a group non-profit which meets in the cities where we practice public speaking and critical to the other in a positive way of support. The best way to be more effective public speaking is practice. In addition, try to improve your eye contact. You want to make brief eye contact with people from the public, especially those that pose the question. You can practice this by discussing a topic that interests you to pieces paper pasted on the walls from one room to various locations. maintain contact visual with each piece of paper for a few seconds and move around the room. Then do this with the people when he speaks. Also, try to move when speaking, just walk and gestures to make points. This movie makes you more credible and convincing as too loudspeakers just sit and talk monotonous. Try moving and put a little life upside down in your voice to make points and have more impact on their audience with eye contact. Then, of course, the study your equipment so you know that the cold when they ask questions. In addition, humor helps to make an impact. Try to build a joke collection sites using Search for "lawyer jokes." I think the funniest jokes and Readers Digest and Jay Leno. Try to get where the "thinking Fun "And then the humor is easier for you to include in his speech. It is a great book that explains the exclamation: "We must believe to be heard ".
Laura King Hypnosis on the Rachael Ray Show – Improve Public Speaking w/ Self Hypnosis