Looks ok to me.
A couple of other points you may or may not find helpful
You can if you are fairly quick get the current drain plug out and the new plug with sender back in with only a small amount of oil loss and not too much mess. You still need a drip tray just you don't need a full oil change unless you are planning to do this at the same time anyway.
Also the sender only has one connection as it's my understanding (wait for a correction) that the metal to metal contact with the thread completes the circuit to earth so don't be tempted to seal with PTFE tape or similar. The NPT should create a good seal as it is tapered. All assuming they send you the correct one unlike me