How do I license an image to use for a powerpoint presentation?
1 Answer
Generally it comes down to asking the image's creator for permission, or purchasing a license if the image is for sale.
This list of questions from a stock photo site is a good starting place: http://www.stockphotorights.com/faq/
This site has some good advice on searching Flickr and related sites: https://cft.vanderbilt.edu/2013/01/finding-non-copyrighted-images-for-presentations/