1) Here’s something for reflections on a 3D floor:
https://library.creativecow.net/articles/kramer_andrew/reflections.php
2) Here’s some basic camera stuff:
Animating The Camera: A Five Minute Tutorial by Rick Gerard
https://www.creativecow.net/articles/gerard_rick/AEWeekly1/index.html
Expressing the Camera: A Five Minute Tutorial by Rick Gerard
https://www.creativecow.net/articles/gerard_rick/AEWeekly2/index.html
Taking a Wild 3D Ride
https://www.creativecow.net/articles/sjostrom_bjorn/3d_ride/index.html
3) Nulls and Camera Control:
Camera Parenting – Read this entire thread, then download the aep, it’s was for an Aussie promo, camera parenting explained! Very similar to what you’re doing.
https://forums.creativecow.net/cgi-bin/new_read_post.cgi?forumid=2&postid=872881
This post by Chris Smith on how he uses Nulls with camera movements:
https://forums.creativecow.net/cgi-bin/new_read_post.cgi?forumid=2&postid=878237
4) Lights:
https://www.creativecow.net/articles/oneil_bill/shadows2/index.html
5) This for cutting out Characters from photos;
https://www.videocopilot.net/tutorials.html?id=63
There’s more but this is a lot for round 1.