(Fixed Item IDs)
This Is My Slender Map. JUST UPDATED!!! Yay!! Seriously Now, Just Added 1.7.2 Commands. Including /Summon.
P.S. I If You Notice Anything Wrong With The Map Please Take Your Time And Tell Me.
Slender Logo Made By RedstoneCraftTV:http://www.planetminecraft.com/member/redstonecrafttv/
Also If You Enjoyed This Here Is A Hint On My Next Map ;) :http://www.mediafire.com/view/myfiles/#z533l7jcte0pcs7

1.6 Map:http://www.mediafire.com/download/89yf2g3dbce7gck/Slender_Adventure_Map_1.6.2.zip

Additional Notes

Slenderman Spawn Command: (Has To Be Pasted Into A Command Block To Work. Command Is Too Long For Chat. Type /Give @p command_block To Recieve Command Block)

/summon Creeper ~ ~ ~ {RequiresPersistance:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000}],CustomName:Slenderman,CustomNameVisible:0,Fuse:120,ExplosionRadius:20,Invulnerable:1,Riding:{id:Zombie,Invulnerable:1,CustomName:Slenderman,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,}],RequiresPersistance:1,Equipment:[{},{},{},{},{id:397,Damage:1,Attributes:Name:generic.followRange,Base:2048,Modifiers:1,Attributes:Name:generic.movementSpeed,Base:4,Modifiers:4}]}}