You can also make an image a hyperlink—just click the desired image to select it.

To link to a file or website, select Existing File or Web Page at the top-left. Then, enter the full URL of the website or select the document. To link to another location in your presentation, select Place in This Document, then select a slide title. To create an email hyperlink, select E-mail address, then enter an email address. Clicking the link will simply compose a new message to this address.