Here is a brand new link that might help inspire your ideas in creating the sound project:
Los Angeles Final Cut Pro User Group : One of the best forums for Final Cut Pro. This link will put you in touch with professional editors who will kindly share their knowledge and help you out. You need to register in order to participate in the forum.
Prelinger Archives: The best resource for odd films and videos, which can be used in your projects.
Check out this artist approach to creating a sound/video using found objects:
Here is another video I found that might give you some ideas regarding your own “sound video”.