Editing several iPad clips into one video montage with slow motion

This is an example of what we need. We take about 30 or 40 video clips from an iPad and edit them creatively while slowing the clips down in slow motion. We use usually Final Cut Pro X "retime" feature to achieve this effect. We mix regular speed and slow motion throughout the video montage. Here is an example of some of the ones I have created. This is exactly what we are looking for. [login to view URL] [login to view URL] -What we need delivered would be the final montage/edit of all of the clips (like the ones above) -Each individual video clips in slow motion / "retimed"