As RegCTX my partner in railroad crime said here are more pictures.
First the foam going up on the walls:

Then me cutting foam and a wide shot of the wall:

Long shot to see what we are doing along with me cutting more foam:

And the finished product with the new wall:
Great news is that we saved an extra sheet worth of foam now to use on the layout! Once we paint the wall and the new wood wall white to help brighten it up we will foam the top of the bench and begin work on the yard until we get far enough in the basement to begin building the rest of the tables.
Enjoy!
Zach