1. The mod referred to below has the camera function you are looking for. Remember that to activate it you must select any object in that system and press the "Go to" button of its informative window to unlock its inverted view and you can see everything from below.
mods.paradoxplaza.com
2. I am not being able to help you with the collections, since I only use mods that I have reviewed personally ... and most of my mods are my creations. I am really too vague to share them and it is my wife who does it by alluding that "it is a waste that only you enjoy them". But, in the end, they banned my wife of this forum for being overly enthusiastic. I mock of her then and I'm still paying the consequences for my boldness t_t
However, I recommend the following mod that fix many errors that I have found in my games:
This Mod has evolved from a disaster drawer to an essential treasure and intends to integrate wonderful creations in the future.
mods.paradoxplaza.com
3. A last advice: distrust those collections that have not been created or documented by qualified modders. They are usually those that also have compatibility patches and error correction. Do not trust collections suggested by any fan since you will waste a lot of time solving problems on your own that you could be dedicating to play simply.