1.8 tutorial (Some level) how to make models

type this command:
/summon ArmorStand
Then
/entitydata @e[type=ArmorStand,r=5] {ShowArms:1}
/entitydata @e[type=ArmorStand,r=5] {NoBasePlate:1}
/entitydata @e[type=ArmorStand,r=5] {NoGravity:1}
Teleport:
/tp @e[type=ArmorStand,r=5] ~ ~(number to teleport) ~
Rotation:
/entitydata @e[type=ArmorStand,r=5] {Rotation:[45,0f}
Skull (not working alot)
/give Skull 1 3 {SkullOwner:aedan2312}
Head:
/entitydata @e[type=ArmorStand,r=5] {Pose:Head:[0f,0f,0f]}}
Unknown
/entitydata @e[type=ArmorStand,r=5] {Pose:Head:[0f,0f,0f],RightArm:[20f,0f,0f,0f]}}
/entitydata @e[type=ArmorStand,r=5] {Pose:{Head:[20f,0f,0f]}}
NoAI:1
/summon (Mob) ~ ~ ~ {NoAI:1}

That is what you can do for commands... (NEEDS 1.8 UPDATE)