Here is my feedback! 
- The backgrounds I would say are all good alternatives!
For the secondary animations I would say that not all of them are straight upgrades:
- ohno_bubble zapper I would say makes the effect of the trap clearer!
Here.
- ohno_rock chameleon Looks more natural and also gets a
- ohno_rock weed trap I would classify as a downgrade. The bobs look more unnatural in my opinion and the old one looks more appealing.
- orig_crystal electric trap I would say is now unclearer and would prefer the old one. The electric static on top of it fits better and shows what to expect. I have a suggestion though: Combine the two! First a shine and then the static to finish it off.
- orig_dirt rock trap Here I am for keeping the frequency high! This is one of the more hidden traps and more frequent drips reduce the chance that the trap gets overlooked.

- The backgrounds I would say are all good alternatives!
For the secondary animations I would say that not all of them are straight upgrades:
- ohno_bubble zapper I would say makes the effect of the trap clearer!
- ohno_rock chameleon Looks more natural and also gets a
- ohno_rock weed trap I would classify as a downgrade. The bobs look more unnatural in my opinion and the old one looks more appealing.
- orig_crystal electric trap I would say is now unclearer and would prefer the old one. The electric static on top of it fits better and shows what to expect. I have a suggestion though: Combine the two! First a shine and then the static to finish it off.
- orig_dirt rock trap Here I am for keeping the frequency high! This is one of the more hidden traps and more frequent drips reduce the chance that the trap gets overlooked.