Does anyone know how to do earth stone task (the one with the three pipes..

Alright here we go....

For all those that hate the stupid skall test!!!
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Quest 3: Restore the Power of the Skaal
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How did finding the captain turn into restoring the power of some village
you've never seen? You'll find out soon. Once you get to Skaal Village,
find Tharsten Heart-Fang in the greathall. Hand him the decaying skull of the
Skaal warrior, and he'll tell you that you have to represent all of advanced
mankind and atone for their sins. Sounds like fun. Go to Korst Wind-Eye's
place, which is the Shaman's Hut, and speak to the badly-clothed mystic. He
wants you to find six stones and restore their power. Read Aevar's story,
because it will basically tell you how to accomplish all of the tasks. Then
take a look at the document showing the location of the six stones, which is
now going to be referred to as the "map." You could go in the order that Aevar
did, or you could be smart and go the fastest way.

Wind Stone
This stone is SW of the Shaman's Hut. On the map, it looks like it is in the
center of where the two rivers meet, but it actually to the west. Activate the
stone like you would open a door. It asks you to travel south and then east of
Fjalding Lake to free the wind from a bag. You are looking for Glenschul's
Tomb. It is almost exactly SE of the Wind Stone, and is one square south of
Thirsk. Navigate through the tomb until you reach a bag. Open it and you will
hear a whoosh, signifying that the wind has been released. Go back to the Wind
Stone and reactivate it. You're 1/6 through this quest!

Beast Stone
This stone is more-or-less east of the Wind Stone. It's also one square north
of the east square of Lake Fjalding. The task for this stone is to help the
injured beast to the south. Head one square south of Lake Fjalding to find a
Snow Bear, being tortured by evil ricklings. Kill the ricklings, but be VERY
careful. The first time through I accidently hit the bear making the quest
impossible. When the ricklings are dead, open up the bear like you would a
corpse, and take out the arrow. Then cure the bear with a spell if you have
the ability. If not, stand there for a minute or two and you will get a
journal entry that tells you he is healed completely. Travel with the bear
back to the stone to finish the task for this portion of the quest.

Tree Stone
I found this stone was very difficult to locate. If you run a line north from
the fort, this stone would be bordering the line on the west side. It is SW
of the the east square of Lake Fjalding. As usual, the map doesn't help too
much in finding the stone. Once you DO find it in the Insifier Plains, talk
to the Tree Stone. It tells you to go east and find some seeds. Travel
east until you get the message that you have a new journal entry. You'll see
5 or so spriggans and a rickling. They are actually close, just a few squares
away. Don't bother with the spriggans, but take on the rickling instead and get
the seeds from his corpse. Run back to stone and walk around the stone, a
little to the west, until you get the option to plant the seeds. Do so, and
then use the stone.

Sun Stone
The Sun Stone's actual location is not even close to its location on the map.
The stone is significantly south of the east square of Lake Fjalding, and NE
of Fort Frostmoth. Your mission this time is to free the sun from the Hall of
Penumbra. Bethedsa makes it very easy to find this dungeon. Merely travel
west in between two rows of rock formations. Fight through the dungeon,
killing the beasts. The last grahl at the end of the dungeon is much
tougher than the previous creatures. Make sure you loot the corpse of this
"lightkeeper" grahl. After grabbing the eyeball, use it on the wall of ice
nearby to "free" the sun. Head back to the Sun Stone and use it to finish
the sun's quest.

Earth Stone
Are you sick of this quest yet? The Earth Stone's location is hard to
describe. If you find Raven Rock, which is NW of Fort Frostmoth, then you
can go NW from the west square of Raven Rock. You'll find it eventually.
When you do, the stone will tell you to go NE to find the Cave of Song. These
are awful directions. It is actually east of Thormoor's Watch. To find
Thormoor's Watch travel along the west coast. It's also on the paper map
provided by the game. Enter the cave, which is on the paper map, and get to the
Cave of Song. In this area, look for three stalagmites and three stalactites
lined up with each other. Repeat the SOUNDS that the top rocks make. To do
this, activate middle-right-left-right, and, for the next succesion,
left-right-middle-left. This may be random, though. Get out of there and
return to the Earth Stone.

Water Stone
Almost done! Grab 2 potions of "water breathing" if you aren't using the Boots
of Blinding Speed. The Water Stone is NE of Thormoor's Watch. It's actually one
of the easiest to find. Activate it for your instructions. To find the island
that the instructions speak of, go basically west and then travel north along
the coast, looking out to the sea. You should be able to see this island from
shore. The island will have a black horker on it. Follow the Swimmer until it
stops. Then surface, take the potion, and dive. Enter the cave and swim
through its twisted halls until you face a skeleton. Kill the skeleton and
grab the potion of water behind it. Quaff another potion if needed to make
your way outside. Swim back to the shore and get back to the Water Stone. Use
the potion you found in the cave. That's it! No more insane stone-given tasks
for the entire expansion!

Go back to the Skaal Village. Inform Heart-Fang that you've restored the power
of the Skaal.

He's suprisingly ungrateful.

You sick of this quest yet??!!

Okay if you got to the pipes heres the sequence
first time middle-right-left-right.

Then:

left-right-middle-left, this is a bit approximate!