This document provides instructions for students to insert background images and sounds into an HTML file. It instructs them to create a folder to store image and audio files, then open a blank notepad file to type basic HTML tags. It explains how to add the "background" attribute inside the <body> tag to link to the image file URL. It also shows how to add a <bgsound> container in the <head> and define the audio file URL and number of loops to add background sound.