• Oral presentations downloadable booklet
  This is a 12 page downloadable booklet about oral presentations.
• Oral presentations - useful information
  When you click on the headings information is provided for that topic. Also on the right hand side there are some really helpful short videos (often just 30 seconds) highlighting particular skills (e.g., asking the audience questions, etc.).
• Advice for international students - oral presentations
  Advice for international students on how to prepare and give oral presentations:

• Presentation planning template
  Check this template to plan your presentations
• Preparing oral presentations
  This website has a very helpful tool (Fred) to get you thinking about the many aspects of preparing for oral presentations.

This video illustrates what you should avoid when giving a presentation:

Here are some examples of students speaking in a 3-minute thesis competition:

This video is not too long and there are some excellent tips:

• Presenting with Confidence (Part 1): Designing Visual Aids
  This video from Ohio State University contains tips for designing presentation visual aids.

Official Prezi tutorials - wide selection of varying lengths:

• Biggest problems with presentations
  The biggest difficulties in oral presentations as identified by ACU lecturers.
• Questions regarding oral presentations
  There is also a very interesting section of comments from teachers about oral presentations (what they expect, why do them, importance, etc.).

Here is some inspiration!

A speech given by a student who had a fear of public speaking. He starts his speech at around 2.5 minutes!