Lehigh's Visual Resources Library Guide:
(This is a technical how-to find and use visual resources guide.)
http://libraryguides.lehigh.edu/c.php?g=802590
There is a wide range of Lehigh library research guides available for various subjects and classes, plus the availability of librarians to help do research and use proper citations in presentations.
For more information please see our guides are under "How to" on https://library.lehigh.edu/
Vanderbilt's Center for Teaching's guide to better presentations:
(This guide contains educational theory, design strategies, resources, and student feedback data. )
https://cft.vanderbilt.edu/guides-sub-pages/making-better-powerpoint-presentations/