Breathing LED controlled by temperature sensor (NEED HELP!!)

[system]

kovil:
I changed it to A0, same flashing result

So you do have the "temperature sensor" connected to Analog In pin A0 (not Digital pin 0) -- right ?

And when I posted that I got some wonky results, that was only when it changed val, the transitions from one to the next weren't "graceful".

And that's what I've been saying the whole time: ' the transitions from one to the next weren't "graceful" '
It does work, but not well.