You have discovered numerous tents about the Orc camps. They appear shoddily made, and would likely burn with little effort. You should light them ablaze for the good of Walstow.
The Orcs have erected sizeable camps near Walstow, and Winsig fears the fate that will befall her town if they are left unchecked.
Tents can be found inside the Orc camps to the north and south of Walstow.
Thanks to your efforts, the Orc camps burn brightly. This is surely a sign of better days to come for Walstow.