For your theme, you just need to create a basic html template. If you visit my site @ 
http://crystalhollow.com/ you'll see the template I'm using (yes there are things that need fixed, it'll happen eventually!).
You'll need a few codes to make it display correctly, I only use 
 and 
	PHP Code:
	
		
			
:ARTICLECONTENT: 
		
	
  since I use my own themes and can edit items in where I need them. You'll need 
 to show the user menu and log in section.
There really isn't that much to learning to use the script, it's rather easy IMHO. We have some nice free modifications, and you can always suggest new things (sometimes they get turned into mods). You can also commission one of the scripters for new mods.
If you need any other help, feel free to let me know.