Since our last update, we've demolished both of the previous owner's additions, successfully hung some curtains, and had a near disaster with our furnace. More about the latter two later. In the meantime, here is the skeleton of yon ancient post:
Here's the back addition -- the 17x10 "family room" -- before the destruction. The thing that kills me is that the windows they installed (or, more accurately, built around) in there were the only really nice windows in the entire house.

A shot of the inside, after the wall panels came off. They painted the stucco green before they put the wall up. Only Satan knows why.

After pulling some of the insulation out of the walls, we discovered where all the ants that would occasionally invade our kitchen were coming from...

Our poor, poor roof:

Nearly there...

A little push, and the wall falls down!

Fare thee well, ye spider-ridden, below-grade, flooded, duct-taped, stinky room o' filth!
...Well. Not quite. Most of it's still in a pile in our backyard.