Unfortunately you can not change the default privacy setting from Private to Friends & Family. Photos uploaded by PicBackMan are all private. As of now, if you wish to change these settings from private to friends and family, you’ll have to login to your Flickr web account and make desired changes.
PicBackMan is a free photo/video uploader that helps you to keep your memories backed up to your favorite online services.
Users in 130+ countries have backed up.
... an excellent job of uploading more then 300GB of photos to 2 different services