i just tried my own tutorial and as a result some more color settings got transfered to the color.rc belonging to each theme version
get the updated nonstep here
http://www.sinistrals.net/nonstep/files/nonstep-v3.0.2.2.lsz

and you will get this, too
http://www.sinistrals.net/nonstep/images/screens/darkStep.png

its just the inversion of orange - nothing special yet, as it only was a test ...

btw - no need to convert the xProp crosshair cos it adjusts itself again against the background