Hi Kevin,
thanks for your reply. Sometimes you do not see the forest for the trees. It may have been the thing with the wrong icon, too, but as you can see in the items-file, I posted above, I stupidly tried to comment out the word Rollo with only one slash:
So now it is solved. I was checking the items file hundreds of times, not seeing the error. Tanks! Now it looks as expected:
Malte