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