The most memorable thing in my first run was in the first encounter. The PCs had the Goblins tied from their hands with a rope which was also tied to one PC (yes, the goblins were behaving badly because of this, but the PCs decided to do it even at the cost of slowing down).
The PC on the rope got shot to negative HPs before even getting a turn, prompting the bloodthirsty goblins to charge towards the tower, dragging the unconscious PC (who luckily stabilized) behind them in the snow. The goblins, moving at half speed, took double moves, making it hard for the gnome healer to catch them and get the PC up.