Insert Image From Drive
To insert an individual image from Google Drive click 'From Drive' in the insert menu. Find your image and click it. Then click 'Insert' at the bottom.
If you use the embed code feature for inserting a Drive image you you need to get the image's ID and append to this URL: https://drive.google.com/uc?export=view&id=YourIdHere
You can copy and paste images from a Google Drive document. Click the image and use CTRL+C. In the site use CTRL+V to paste it in.