Consider an element of your course for which you might want an accompanying image. Search for an openly licensed image using different search strategies and sites. Which one did you find easiest to use or best suited the kind of image you were looking for? Post the image to your blog, source it, and describe where and how you will use it.
image credit: “Contemplation…….” flickr photo by Simon Daniel Photography https://flickr.com/photos/simonnpowell/8517432988 shared under a Creative Commons (BY) license
Example for "Consider This":