Red Bikini at :20 seconds or the silver Bikini handstand.
Their both on the same boat,which I think is in a couple other photo's as well, and since I suspect YOU posted the video, it makes sense, (to me any way ) that you would photo Mrs. TAB alone, not with others.
Otherwise, darn man, MKM might be the winner as well.
But what PegLeg said is dead on.
"but I will say this: From the looks of those ladies, which ever one she is, also being intelligent enough to be a doctor, AND she puts up with you, she is definitely a KEEPER!!!!!!!!"