I get this question a lot – even from people that have been using PPT 2007 for awhile. “where is my insert shapes?” It is obvious, but we get used to things being a certain way and when it changes we overlook things. This also happens most often when the computer is hooked up to a projector, where the screen resolution is reduced to the projector resolution (eg. my monitor is 1900×1200 but most projectors are lower at 1280×1024 or 1024×768).
Here is what most see on their ribbon:
But with a smaller screen resolution, the ribbon adjusts to smaller options and the shapes library becomes a simple button:
– Troy @ TLC