How Do I Give a Good Presentation (all types)?

This is a FIP (FAQ In Progress) that mainly contains links to good advice.

How do I conquer my nerves?

How do I give a good conference talk

How do I conquer my nerves?

on Siggraph talks.

How do I give a good conference talk?

on conference slide/talk material.

for slides and still images.

from UT has a lot of good advice in this article about what content to include and how to prepare.