This site is good for getting answers , so if you have questions feel free to ask. If you dont know the answer then its NOT a dumb question.

PLEASE read the manual for Poser or Daz studio FIRST and try to get an overview of how it all goes together.  

Lighting makes a big difference to the quality of your final picture , so be prepared to spend some time with it. The Posing , texturing and layout are important but the lighting sets it all. 

You may also find you get conflicting advice, there are reasons why each person does things in a particular way and they can both be right.

Its very hard to do any permanent damage so if you dont know what happens , give it a try, but save your work often.