for your other sensors like "distance" there are example sketches and libraries
https://github.com/mysensors/MySensorsArduinoExamples
copy those examples and libs to your arduino directory
But keep in mind there is some fiddling to do
this is a working sketch of a DHT temp and humidity sensor for ...

I got the same issue and i have the solution for it
I soldered a capacitor, 470uf 16v on the power supply pins on the rf24 board
the 470 uf is just what i had just around, any value between 47 uf and 470 uf is okay
put it at any node and gateway

Important is soldered, not put a capacitor loose in ...