On a recent visit to Nijmegen for the Conversational Speech and Lexical Representation Workshop I went to two pizza places. Both served thin crust pizzas.
The first place was DePizzaBakkers. A very nice thin crust pizza. Rating: 6
The second place was Romagna. This was a standard Italian restaurant that does amazing pizza. I had two or three different pizzas here and they were all excellent. Alas, I did not take a photo. Rating: 8.5