Let you place a special products carousel the index page. It is based on an existing add-on so all credit goes to the original author.
You can display 2 overlays onto the carousel.
1) Sale ribbon (animated)
2) % discount card (animated)
You can have either one show or both, simply select which in admin. Animation can also be turned on and off in admin.
The Carousel animation is set in admin and can be slide or instant switch.
Updated for Phoenix and loads scripts using hooks.
It is still a no core change add-on.
Simply copy over the files and install and turn on the new add-on.
It has been tested on Phoenix 220.127.116.11 only