Go to the Module Manager
Go to Administrator >> Extensions >> Module Manager
Click to Create a New Module
Click "New" in the top-right corner
Choose "Custom HTML"
We can choose to create any kind of new module here. We'll choose "Custom HTML".
Find Your Image
Click the Image button at the bottom of the page. You'll see a pop-up window. Either choose an image from here or click "Browse" and upload your image.
Insert Your Image
Click "Insert" and your image should be in the text editor.
Configure the Module
Choose your module position from the dropdown and then click "Save"
See the Image On Your Site
Visit the front of your site and the image should now appear on the page.