Want to know how to be overpowered in Skyrim? http://www.youtube.com/watch?v=LSkT4thSsWk
God mode is on as this video is just to show off each shout. God mode also takes away the cooldown on shouts, spamming them like I did at some points is impossible. God mode is exclusive to PC and is done through Console Commands.
SHOUT LOCATION GUIDES: http://segmentnext.com/2011/11/11/elder-scrolls-v-skyrim-dragon-shouts-location-guide/
Animal Allegiance: Calls all animals in your area to aid you. (Doesn't bring dragons)
Aura Whisper: Shows all lifeforms around.
Become Ethereal: Invincible to damage; attacking takes away effect.
Call Dragon: Calls a dragon to aid you in battle. (Requires main game completion)
Call of Valor: Summons a dude FROM Sovngarde to aid you in battle.
Clear Skies: Clears skies.
Disarm: Disarms enemies weapons.
Dismay: Makes enemies flee.
Dragonrend: Forces a dragon to land. (Requires open land)
Elemental Fury: Makes you attack at lolwut speed. (Requires unenchanted weapon)
Fire Breath: Breathe fire.
Frost Breath: Breathe frost.
Ice Form: Freezes targets in a block of ice.
Kyne's Peace: Makes animals flee.
Marked for Death: Targets life and armor are decreased.
Slow Time: Slows time.
Storm Call: Calls a storm that shoots lightning at enemies. (Might not work inside)
Throw Voice: Make enemies go to where your voice is thrown.
Unrelenting Force: Unleashes Skyrim physics.
Whirlwind Sprint: Sprints you ahead in a burst of speed.
*Phantom Form: Creates a clone for 3ish seconds to distract enemies. (Useful for Stealth gameplay)
*Possible Shout I missed, not confirmed though