Mountain Lion: May be unable to save from Mail directly to iPhoto
Symptoms
Photos received as attachments in a Mail message may not save directly to iPhoto.
Resolution
Follow these steps to import the photos into iPhoto.
- Open iPhoto.
- Return to the Mail message with the photo attachment(s).
- Drag and drop each photo onto the iPhoto icon on the Dock.
Read more http://support.apple.com/kb/TS4435