> Be careful using the internal oscillator and the MCLR pin as an input. We just discussed this on another thread. You will not be able to reprogram it if you do.

There is NO PROBLEM with this combination - it's used all the time - in fact it's my preferred choice for this PIC. There is no correlation internally within the PIC between your OSCILLATOR choice and your MCLR choice. Simply drop it into your programmer and away you go with whatever settings you desire.