album_id
Description:
The ID of the album.
This is a substring of the ID returned by get_id for PicasaWebAlbums; for example, if get_id returned "http://picasaweb.google.com/data/entry/user/libgdata.picasaweb/albumid/5328889949261497249" for a particular PicasaWebAlbum, the album_id property would be "5328889949261497249".
For more information, see the gphoto specification .