The Touropa coaches are indeed very nice, may consider getting them myself - Alanoes, I can't quite make out the dates under the door on the close-up, could you confirm them for me please ?
Now if you want a primer as to what goes with them, I suggest you look at the wonderful thread by our fellow member 'adecoaches' on the Railways of Germany Forum.....
Here you will find exact compositions of trains consisting wholly or partially of Touropa wagons.
Of course, these trains ran on main lines, so you can use any mainline motive power appropriate for your time period or location. For example, these coaches are based in Hamburg* and are obviously for taking people to other places for their holidays and they will use mainlines to get there. It is the other places that make the trains so interesting, as when they leave the mainlines, they travel on secondary or branchlines to their destinations.
Read the whole thread and you will see what I mean. Especially down South, heading for the Black Forest or Bavarian mountains, they would likely be steam hauled at their final location.
You could even put a restaurant car in the middle of the formation pictured and it would also be 'correct'.
It would also be good, Alanoes, if you could apply the detailing bits to the coaches, e.g. the grab rails at the doors, so we don't have to look at the holes !!
Brilliant set of wagons.
*On my trip last year I had some interesting experiences. Travelling back from Westerland to Hamburg I sat with a couple of jovial Bavarian ladies who were connecting with an overnight train from Altona to Munich, they needed to be back at work the next day! But it struck me as really strange, the Bavarians head North to the Nordseekuste for their holidays, while all the people in Hamburg and the North head down to the Bavarian Alps or Black Forest !!! Go figure.