Low impedance load (NTSC video) on Digital 10-11

Thanks much for the reply.
I am using pinMode(11, OUTPUT); to initialize. However I will double check to make sure I am not enabling the weak pullup resistors indirectly. The reason I am hammering on

The odd thing is that the same code works on Digital 8-9 (two bit mode) and on PORTC (Digital 14-17 four bit mode). The only place it fails is on Digital 10 and/or more likely just Digital 11. I realized today I could put a scope on it and see if the waveforms look odd also.

Anyone know if there is some type of termination I could put on the ICSP header to reduce capacitance/ringing/whatever??