South African presentation skills for a university is actually the same than everywhere and one of the overlooked things itself is the presentation room. If you have access to the room where the presentation is going to be held, it would be a good thing to go in long before the actual presentation and practice your moves. Once you start feeling comfortable in the environment you will be able to perform a lot better and not feel disoriented in your surroundings. It helps to feel at ease as this will help you to keep your cool and to be at your best with your presentation skills.  South African presentation skills for a university is nothing different which flow naturally are the best as a much rehearsed one will make it seem very theatrical. Your complete attitude should be natural and not one which is rigid with practice.