You can add outside links into the portal for your client to view. This is perfect for sharing photo gallery links, dropbox links, links to Pinterest boards, etc... :)
Head into a job or lead and click FORMS. In the forms drop down, click Create One-Time Link.
It will pop up with this pop up and you can type in the title of the link and the URL.
Once added, click APPLY TO PORTAL to send to the portal.
And this is how it will show in the portal: