It’s no secret that spanking videos are popular in the gay porno subculture, as well as in the straight porno world. Like BDSM, spanking videos and photos appeal to both those who like administering a spanking (I’ve don that myself several times and found it somewhat stimulating.) and those who like to be spanked.
Anyway, if this your sort of thing, you might want to have a look at these two videos:
Those poor lads better learn to please their daddies a little better, or they won’t be sitting down too comfortably much of the time. 😉