A Photo has properties of
picture no, image (image), title, text, year, external link (url) and datetadded (date).
A Photo is identified by its pictureNo.
title
A Comment has properties of text, name and possibly email (email). A Comment must be commented by one Photo.
A Manufacturer has properties of name and description. A Manufacturer may manufacturer many Photos.
A Country has properties of name. A Country may country many Photos.
A Contributor has properties of name. A Contributor must contributor one or more Photos.
An Album has properties of name and private (boolean). An Album may be albumed by many Photos. An Album may be ownered by zero or one Visitor.
A Visitor has properties of name, login, password and description. A Visitor may owner many Albums.