LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, TRUE);
LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, FALSE);
LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, TRUE);
LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, FALSE);