Use the images button to add images to your Google Site. Watch the video and/or follow the instructions to see how to add images.
#3 Images.webm
In the upper right corner, click on "Insert." Then click on "Images."
Click on "Upload" to Upload an Image from your computer or click on "Select" to select an image by URL, searching the web, your albums, or your Google Drive.
Don't forget to click on "Publish" when you are finished updating your site so that your changes apply to your finished site.