Can you find the Spoker in the ALC video?

Here are two videos, produced by AIDS/LifeCycle, with footage from this years Ride. You can find a Team Different Spokes member in each one.

And here is yet a third video, with yet another Spoker to be found:

Want a hint?

Video #1 at 1:46
Video #2 at 3:49
Video #3 at 1:30