Double-click to zoom all the way in to an area of interest
Choose an image from a certain date
Click on the "Active Image Only" button
Use the "Measure" button / location option to record the coordinates of the SW and NE corners
Choose "Export Display" choosing WGS84 as the spatial reference and PNG as filetype
Choose "Click on this link to view the exported image. (Image opens in a new window)"
Right-click on the image and "Save Image as ..." in the code16 folder
Link to this image with the name you selected and change the image bounds, and size of the map. The default name for the file is: "16_04_Landsat_Image.jpg"