http://fxfactory.com/fxfactorypro/
Slideshow lets you quickly and easily animate image files, adding transition effects between each slide.
Slideshow works in FCP, Motion and AE.
http://fxfactory.com/misc/FxFactoryHelp/pluginguide/generators/slideshow/index.html
FxFactory is a revolutionary visual effects architecture powering hundreds of plug-ins for Final Cut Pro, Motion, Final Cut Express and Adobe After Effects:
http://fxfactory.com/fxfactory/