The latest two scenes at Belami Online had the taller guy as the bottom.
The first one had Joaquin Arrenas (5’9″) bottom for Ariel Vanean (5’8″).
The second one had Rocco Alfieri (6′) bottom for a newbie, Nate Donaghy (5’10”).
Taller guys as the bottom: Joaquin Arrenas and Rocco Alfieri