Your best bet is to just do a search for them specifically in your favorite search engine. Most of us use Google and we can pretty much find just about anything with it. There are quite a few sites out there hosting tutorials for Bryce so I can imagine it would be very easy to find one that you can use. If not, read through some of the other ones as I am sure they will give you ideas.

Because I like to blow $%&# up.

Don't fear the night.  Fear what hunts at night.