Can anybody tell me the exact names of the bonsai (sic)

For the first one, I will defer to the Ficus experts. I think the second one is
a Chinese elm, rather than a Zelkova. The Chinese export these by the thousands
(until the new regulations).

Iris,
Central NY, Zone 5a, Sunset Zone 40
"The trouble with people is not that they don't know but that they know so much
that ain't so."
Josh Billings (Henry Wheeler Shaw), 1818-1885