This year we crushed up candy canes to use in the windows (we didn't have any opaque candy, so the windows came out sort of a bright red. This was ok, but an ivory color works much better...lesson learned). I found Wilton Holly Mix Sprinkles and totally cheated by using them on the wreath hanging over the window on the front of the house.
Here is the house pre-candified:
...and the finished product:
And my niece, giving us the best review we got for the house once we delivered it and demolition began--