You should put all the photos in one table where you have 1: N with a foreign key in albums, for example
Photos | id, title, url, description, album
Albums | id, title, description
where the album is a foreign key Albums.id
, , , N: N, , ,
Tags | id, name
Photo_Tag | id, id_tag, id_photo
id_tag id_photo Tag.id Photo.id
, , MySQL .