There are various special ending pictures you can unlock for the Ending gallery aside from the main teams. Beat the game with any of the following team to unlock a special picture.

Ending Picture	How to unlock
2003 Main Characters Team	Ash, Duo Lon, Shen
Adel's Ending	Adel + Anyone else
Authority Team	Elizabeth, Whip, B.Jenet
Bird Team	Duck, Griffon, Jazu
Buriki Team	Gai, Ryo, Silver
Elder Brothers Team	Adel, Ryo, Gato
Gai with Buriki One Girls	Gai as the leader + Anyone else
Girls Team	Athena, Momoko, Kula
Jazu Portrait	Jazu as the leader + Anyone else
Justice Team	Kim, Griffon, Athena
KoF Main Characters Team	Ash, Kyo, K'
Kyokugenryu Team	Ryo, Yuri, Robert
New Challenger Team	Use three of the following: Hotaru, Mai, Robert, Tung Fu Rue, EX Kyo, Mr. Big, Geese
Ninja Team	Eiji, Mai, Jazu
One Sided Love Team	Robert, Kensou, Ramon
Reinventing Oneself	Kim as leader + 2 evil characters
Sho Hayate Portrait	Sho Hayate as the leader + Anyone else
Silbur Portrait	Silbur as the leader + Anyone else
Women's Team	Elizabeth, Vanessa, King