All resources at Smashmockup.com are property of their respective owners. In general, most of the graphics are free for personal use, however for commercial use, it is advised to check the author's website or contact him directly.
You can simply share our mockup on your website and point the download link to the resource page at our Smashmockup.com
You can't host the download files for our resources directly on your site unless you get permission from us.