Ia m using Explorer of htc, gingerbread 2.3.5 & htc sense v 3.5, i am having same issue, some of my contacts are not syncing pictures correctly , they all had pics when i first sync it WITH FACEBOOK FOR HTC SENSE , but now some contacts are not showing pictures, i want to use only this htc sense for facebook, because it sync the calendar too, other external app like syncmypic or facebook sync are so much heavy for my small cell phone please help me, I RESET MY PHONE Deleted and re-created account on htc sense many time but still same issue