Is it possible to make a 27 inch monitor so low that the bottom edge of the monitor practically touches the table? I want to use the monitor as a digital picture frame.

I had to make improvements after buying this monitor stand, I was not satisfied. The monitor did not tilt, but my desk in the office is slightly sprung, so the monitor vibrated with every keystroke of the keyboard (normal typing, no hammering like in the days of typewriters). That is extremely tiring for the eye. So I put a block under the lower edge of the monitor on the left and right. It helped, but it's a bit of a hobby.
Later, I bought a different stand for my own use, and I'm very happy with it: Uh, I'll do some research right away, that was a BenQ monitor with an integrated stand, but that doesn't help...

I also have a very heavy monitor on it and had the same problem at the beginning. After I tightened the (I think 3) fixing screws at the back really, really tight, it works for me. Good luck :)