Not a video, not sure if it'll help, but you might want to check
this page out.
It's good to see others picking up where AE left off...I'm just getting started making scenery myself (not very successful at it so far [V]) and would like to eventually move on to rides, but with Rollercoaster Tycoon 3D rumors floating around, I may just wait to see what it's like.
Whenever you find yourself on the side of the majority, it is time to pause and reflect. --Mark Twain