Nothing in that slideshow is difficult, but depending on the length of your video, it could take a week to do, as there were quite a lot of different transitions/effects mixed together. You might want to go to a site like video hive, do a search for slideshows and just buy one the template slide shows.
Johnny Cuevas, Editor
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.