Hi Doug,
The first and last ones are my favorite

The graphic quality is not too bad on these shots. Please try again with the following settings:

Since you have an NVidia 580, you should be able to use these settings above, which are what I'm currently using for my GTX480

Then we'll take a look at your in-game settings. One thing though: 24 FPS is quite low for your computer. It's a nice limit, but normally you should be able to aim for something better. Set the limit to 30 for some tests. Did you still get these crashes that you were mentionning in an earlier topic ?
Oh, and DISABLE the AntiAliasing box in the game settings. In DX9 mode, the AntiAliasing has to be forced by the drivers, not the in-game setting.