Receive this Quest from Cadwallen in Grimspound. She will give you a "Pouch of Moss"to deliver to Trynt Madoc in Gothwaite Harbor ( he is the Smith) Simply right click on him to deliver the pouch,he will thank you for the Delivery, then return to Cadwallen in Grimspound for Credit.
I think you get like 20 Gold and 1500 Champ exp for the quest.
This quest is repeatable.