Occasionally I give advice on how to give a scientific presentation.
Here are some links that should be helpful:
What to wear? - a description of what you should consider wearing to your conference presentation.
Lean In: Women, Work and the Will to Lead - Women often encounter unique challenges in work areas that are dominated by men. Sheryl Sandburg's book provides helpful insight into the nature of these problems and how to face them.
Excellent Ted Talks - A collection of great talks on a broad range of topics.
A Ted talk on presentations - Nancy Duarte's secret structure of great talks
The Presentation Style Expert - Edward Tufte is a leading expert at presenting visual information.