You will need to create a button in an image editor, turn the button into a slice of the image and convert that slice into a hyperlink.

Adding a Hyperlink to a JPEG in Photoshop can be done to a whole image or parts of an image. The ability to hyperlink images in Photoshop is great for using when adding images to websites.

How to Hyperlink With Texts in Illustrator. A hyperlink is a hotspot, or link, such as a button or text, on a Web page the user clicks to load a URL.

The Digital Inspiration weblog has a step-by-step for adding HTML to Gmail messages. For those of you who have tried inserting an image or table in Gmail, you've probably noticed that Gmail won't ...