Personal Opinion of The Hobbit by Tolkien

The rest of the dwarves are quickly captured and taken into the dungeons of the Wood-elves. Again with the help of the ring Bilbo sneaks in the dungeon and using the Wood-elves empty food barrels to float down stream to Lake-town. Once in Lake-town Thorin declared himself to be the grandson of the King under the Mountain. The Lake Men gave the dwarves food and supplies for their journey up Lonely Mountain. When the dwarves found the secret door, the dwarves sent Bilbo in along. Only because it was in his contract. When Bilbo reached the treasure room where Smaug was sound asleep. Bilbo put on his ring and grabbed from the treasure pile a great two handled cup and returned quickly back to the dwarves.
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