Tips for the delivery of a successful presentation :

A list of 55 tips for giving a successful presentation.

Links for further study :

Comprehensive site covering many aspects of presentation skills and related areas.

Presentation skills for managers.

A comprehensive site on presentation skills with a selection of interesting tips and resources.

The Open university course for presentation skills

Web page with links to a wide array of tips for effective communication in many situations.

Comprehensive site on communication skills 

Link to a video on  enhancing presentation skills :