A bug that caused iPhoto events to be split into multiple ones on iOS devices has been fixed by Apple with a software update to iPhoto, which reaches version 9.1.3. The issue, reported by several users on Apple Support Communities, caused an iPhoto events to be split into multiple instances on an iPhone, iPod touch or iPad after an iTunes sync.
The update is recommended for all iPhoto ‘11 users and is available now in Software Update or for direct download here. iPhoto 9.1.2 was released in late April, fixing several bugs and bringing other performance and stability improvements.