The best help for your needs can be found on Rhodium's website, the sticky threads in the newbee forum, the posts refernced in the digest thread in the Stim Forum, and by using the search engine.
These questions have been answered a number of times, and those answers are not at all difficult to find. I suggest that if you have these questions at this juncture, you do not have a good enough grasp of what you wish to do to do it yet.
Read more first. Lots more.
Geez