The Legend of Zelda: Skyward Sword/Walkthrough

Skyloft Gratitude Crystals
You can pick up Gratitude Crystals in Skyloft at the following locations:
 * At night, you can find one in Link's bedroom. (1)

The Sky Gratitude Crystals
You can pick up Gratitude Crystals in The Sky at the following locations:
 * At night, investigate the Pumpkin Shed at Pumpkin Landing and you'll find a Gratitude Crystal hidden there. (1)

Faron Woods

 * Gorko Goron
 * Just before the entrance to Sky Temple
 * Go under water through the cave, high above the water.

Eldin

 * On the lest side of the slide after the really hot room.
 * Left of Earth Temple doors, Bomb the geyser to blow up the wall.

Items

 * Horn: Sword game between 20-25 - Sky, one of the islands towards the south.
 * Skull: Hobokin
 * Gold Skull: Hobokin
 * Wasp larvae: Wasp nest in Faron Woods
 * Blob: blobs,triffids
 * Goddess Plume:
 * Sky Temple attached to the wall in first room with door eye
 * Earth Temple by the door to the room with two Lizalfos and Bomb Bag
 * Eldin ore - Eldin area in dig spots, chests, and Bobokins
 * Amber relic - many places up to Eldin