What is the quickest way of importing graphics you need into your tex file. Say if you need to put figure's, charts, or plots from a textbook into your document. What's the fastest (but still get beautiful results) and less painful way of achieving this task?
For instance, say for a school assignment or research paper of some sort where the needed picture is on paper and not digitized. And I do not want to go to means of photo scanning the book/paper to make it digital format.
tikz can always be used for such a thing, but can it be done another way somehow if one does not have knowledge and time to learn these packages in depth at the moment?