i had the same problem i saw a lot of crappy reviews i got this one and recommend it, it’s not oscillating but it’s a good clip on
Ok I'll try in outline in more detail below. This is my 'equipment' list:
How everything fits together:
Overall, I generally check my neos once a week to see how they're fairing, but I've had this set up for 3/4 a year and they seem to be happy. Lots and lots and lots of root growth! Another important note is that most of my neos are potted in terracotta with long strand coconut fiber since the humidity is so high in this little greenhouse. If your plants are in moss, I'd be careful about how much you water them!
In any case, hopefully this helps!
Some fans have clamps on them to attach onto any horizontal or vertical surface. Something like this:
There are a number of products to add a 'shelf' to the top of a monitor, some using standard VESA mount pattern to attach, others just a shelf that hooks on the front and legs on the back.