I just looked it up, I was not aware that American Snooker was different than International Snooker in rules and equipment, besides the 12' vs 10' table. Thanks for bringing that up.
According to what I found on Wikipedia, American used 2 1/8" balls, while International used 2 1/16" balls. (It seems the international is now 52.5mm, a small difference from 2 1/16", I didn't find what year that changed).
All that said, I think every snooker match that's ever been on Youtube is probably the International version and equipment.