The joke is that its based on the album Polos Taken: B1 B2 B3 B4 B5 (by mpgs2012) E1 E2 (by kelsg009309) E3 E4 M1 M2 M3 (by 41mations) M4 M5 (by scarfyblewington) V1 (by DrawRand0m1710) V2 V3 (by DrawRand0m1710)