Consider the audience's (fellow students') state of knowledge. Don't forget introduction, motivation.

Explanation of special terminology!

Explanation of figures!

Try to present with a clear talk structure or road map.

Proper selection and combination of papers.

Selection of most important figures from the papers.

Reduction to necessary figures or even sub-figures, if there is too much material.

Meet the requested talking time!

Style of speaking: Best is free speech towards the audience!

Use proper technical language!

Optimum speed of talking. Avoid talking too fast.

Early mentioning of used references. Proper references along talk (e.g. of figures).

Layout of slides (amount of text, figure size, captions). Avoid pure text slides, if possible. Avoid unneccessary variation of fonts or graphic elements.

Amount of presented material has to be right, not too few slides, not too much material.

Quality of used images, readability of slide material.

Additional material always allowed, if useful.