Horizontal Parallax Gallery (PAID)
This extension implements a horizontal scrolling parallax image gallery that can be controlled by scrolling the mouse scroll.
The transforms (x, y, z and scale) for the parallax effect are user definable. Each image can have a link or open a larger version of the image in a lightbox.
Gallery Extensions Pack Discount
This extension is also part of the Gallery Extensions Pack which includes 14 gallery / slideshow extensions for only $29.95!