I think you are correct... I was trying to guess from the pictures on the walls, and thought that perhaps Jinx was seated behind Tex, closest to the camera. I have not found many pictures of the couple together except this cute little record, from:
http://www.wfmu.org/MACrec/tj.html
I have been a fan of OTR for years, and can't believe that I have never heard of this famous couple!
jr