pic 6 looks looks like an extreme rosetail. He shows the extreme heavy branching, uneven scaling and uber small caudal typical of x factors. personally I dont like the look of the x factor RTs. pic 4 also shows quite heavy branching but not as bad.
http://www.bettaterritory.nl/BT-AABRosetails.htm
Girl 2 is my all time favourite , boy 2 comes in close behind :love: she has a strong body and nice dragon scaling and colours let me know if you sell her