Tresa Black has discovered a few ways to use CTMH Flip Flaps and 9x9 page protectors to extend the space on your layouts that have a few too many pictures on them ( see my 11 photo layout below ) No need for exacto knife cuts ... it is a fold and stick process.
Her website is Fabulously Artsy. If you click on the video it will take you to YouTube and you can see the rest of her Cool Scrapbook ideas on Video Tutorials.
Let me know if you enjoyed watching it! I thought it was pretty cool!