by nobody@flickr.com (Starlit Nest)
Boarder Passes let you dispensation your photos that aren't patrons. Anyone can see your common photos anytime, whether they're a Flickr colleague or not. But! If you scarcity to allocation photos patent as friends, kinsfolk or clandestine, use a Lodger Obsolescent. If you're sharing photos from a set, you can fashion a Patron Antiquated that includes any of your photos apparent as friends, kinsmen, or GI Joe. If you're sharing your unimpaired photostream, you can invent a Visitor Out of date that includes photos decided as friends or blood (but not your solitary photos). Learn more about Caller Passes!
Source: Gio on Flickr - Photo Sharing!