Seriously, Keynote is a powerful bit of gear. It is great for layouts and layering of content. The Instant Alpha tool is particularly awesome as it allows you to make a well-taken photo have a transparent background!! Screenshoting the slide in Preview mode and then cropping it by selecting 16-9 when editing in the camera roll means that you have a graphic perfect for iMovie and other widescreen applications.

Tips for Keynote:

When creating graphics for titles on movies and other widescreen applications. Choose New widescreen

Tips on Keynote will be on this page soon. COMING SOON!