FooBar is a neat and unobtrusive notification bar that sits at the top of the page that can be used to inform or announce specific info to site visitors. The collapsible bar can be used in unlimited scenarios, including displaying notifications, showing site announcements, product specials, competitions, giveaways, etc.
Slick Modal Popup is a great way to display your message. You can insert any code or layout inside it, let it be banners, newsletter signups, contact forms, special offer display, images, galleries, iframe, video, maps and any element.