Viewing RAW images in full screen - problem

Question

I have begun to shoot some images in RAW mode with both my Nikon D70 and Nikon D200 - NEF format. I edit in Photoshop Elements, from withing iPhoto so that edited images are saved back to iPhoto.
When I view edited images in full screen mode from iPhoto, the edited version will be shown briefly and then the unedited version pops up. Anyone know what this is all about and can it be stopped?
Also, I am wondering why, when I right-click on a RAW image in iPhoto, one of my choices is "Reprocess RAW" whether I have edited it or not. And there is no choice to "Revert to original" as in non-RAW images.
Marion

Answer 1

I think you are referring to minor color and other editing done within iPhoto. I am talking about cropping and other major editing done in Photoshop Elements. This edited RAW image, by default, is saved back to iPhoto - but NOT as JPEG - where I can view it along with other RAW images I have not processed in any way.
Yet, both edited and unedited images offer me the same option when I right click for the contextual menu - "Reprocess RAW." This is the place where "Revert to Original" appears when this menu is accessed from a JPEG image.
When I use iPhoto edit, which I almost never do, it does indeed save the image as "JPEG image (from Nikon RAW)." And indeed I do then have the option to Revert to Original.
Reprocess RAW works in the same way as Revert to Original. It was just mysterious to me why I was offered the opportunity to redo something I'd not done in the first place.
Thanks for your help.