Lego Lord of the Rings -
You need to find another pond. Head to the intersection of the footbridges on the right (they're leaning against a giant skeleton) and the further path will open. Go along it, fill up the bucket and extinguish the fire. Another puzzle solved. Head onwards through the marshes - note that your first step will make you fall into deep water, so you need to jump onto the brown trail from the island itself. You should also jump as you're heading along the path, as it will make things faster.