As i always can't find macro's decided to post some here, macro's i could find atleast to get started. I use it for Quadboxing.Should you see some errors in it, or know some improvements or other macro's feel free to post. Hope this will saved you some time with searching.
Main:
/invite Char1
/invite Char2
/invite Char3
/ffa

*Invites your slaves and sets loot free for all
Slaves:

/script AcceptGroup();
/script AcceptQuest();
/script AcceptTrade();
/script RetrieveCorpse();
/script AcceptResurrect();
/script ConfirmAcceptQuest();
/script StaticPopup_Hide("PARTY_INVITE");
*Accepts the invites,quests shared etc etc.

/clearfocus
/focus [target=Main, exists, nodead][target=Slave1, exists, nodead][target=Slave2, exists, nodead][target=Slave3, exists, nodead]
/follow focus

*Slaves will follow main and set focus on it,follow it. Should Main die; Slave1 becomes Main other slaves focus and follow it

/assist focus
/cast [exists,harm] Lightning bolt (You can fill in any spell here ex: Earth Shock,Flame Shock)

*Slaves will assist there focus and cast Lightning Bolt

/follow focus
/assist [target=focus, exists]
/startattack

*Slaves will follow main and enter Melee combat

/castsequence [target=focus-target, help] reset=combat/12 Lesser Healing Wave (can fill in; Healing Wave,Chain Heal)

*Slaves will Heal the target of Main

/castsequence [target=focus-target-target] reset=combat/12 Lesser Healing Wave

*Slaves will heal whoever got aggro of the Target Main is targetting

Some Roundrobins


1.#ShowTooltip
/castsequence reset=target/combat Lightning Bolt,Earth Shock,Lighting Bolt,Lightning Bolt
2.#ShowTooltip
/castsequence reset=target/combat Lightning Bolt,Lightning Bolt,Earth Shock,Lightning Bolt
3.#ShowTooltip
/castsequence reset=target/combat Lightning Bolt, Lightning Bolt,Lighting Bolt,Earth Shock
4.#ShowTooltip
/castsequence reset=target/combat Lightning Bolt,Earth Shock,Lighting Bolt,Lightning Bolt,Earth Shock

TOTEMS

1.#ShowTooltip
/castsequence reset=15 Strength of Earth Totem,Stoneskin Totem,Earthbind Totem,Tremor Totem
2.#ShowTooltip
/castsequence reset=15 Stoneskin Totem,Earthbind Totem,Tremor Totem, Strength of Earth Totem
3.#ShowTooltip
/castsequence reset=15 Earthbind Totem,Tremor Totem, Strength of Earth Totem,Stoneskin Totem
4.#ShowTooltip
/castsequence reset=15 Tremor Totem,Strength of Earth Totem,Stoneskin Totem,Earthbind Totem