This pic didn't come out as well as I'd hoped, but you get a notion of how much soot and random burning things were scattered about - and this is AFTER the fire department cleaned up. Some of the cars parked right next to the house were covered in grime. Pieces of what used to be the roof are in the background. The boarded-up vestibule where the fire was set is in the upper right.
Now let's take a look at the stairwell inside the house leading to the second floor.