Woah, didn't see the snow yet :/
I've been busy going through these various new effects, and the depth here is staggering if you have imagination.
In this pic, a sim pulls the switch and a laser then zaps a bug inside the test case. The wonky alignment is fixable.
You can make your own interactive objects in a sense. I also made a flea circus in a display case.
I'm busy compiling a list of the best 'permanent' and 'non-looped' effects. It may take a while but I will upload a txt with some easily listed commands.