Make iMovie and Mp4 into a combined video

Closed - This job posting has been filled and work has been completed.

Job Description

I have several slides in Keynote and an Mp3 video with GreenScreen that need to be combined into one movie. This is a training video. My voice can be over the slides when they are shown and the clips of me talking in front of a background will be shown in between.
It has a deadline of tomorrow.