Quick 'n dirty, hope this clears up my crits:

The light from the lamp should be centered around the lamp, and symmetric about the depth axis.

Something like this, though my quick hack doesn't look much like wood. And I think I got my left/right incorrect in the initial crit of that one. The light from the lamp will strike the vertical face of the broken boards and make them slightly lighter on one side. Also corrected the highlight on the floorboards in this one.
Tourist
Oh wow that looks great! Only problem is, I've never really dealt with that sort of stuff. I learned about the perspective lines from my Art teacher, but she didn't tell me to do things like ellipses, I'll try to look up some tutorials.
@Elk no no I am listening! There's still a lot of stuff that needs to be added before I post an update since that's what you want, more stuff

Thanks for the tip on the light strength too, I had no idea about any of that kind of stuff.