There's really no such thing as a "super-mega-ultra resource pack".
Basically just check around the Resources sub-section and a website called deviantArt.
There you can just write i.e. "C4D Mega Pack" and you'll get results of good C4D packs.
You can also search brushes, renders, fractals, even tutorials.
Just to get you started, here's one of the better tutorials I've seen to date: http://www.mpgh.net/forum/40-tutoria...aking-56k.html