Quote:
	
	
		| 
					Originally Posted by moneybiz  so only possible way is with a good script? | 
	
 No, it is very possible without any scripts. Scripts just makes things easier.
Your best bet would be to read up on interlinking strategies and how the SE's react to them.
The IP thing is a discussion that is never going to die. Some say that having each domain on a unique IP is necessary to get a good possition and traffic and some say it doesn't really matter that much.
I lean towards it not mattering. Several domains of my domains on shared hosting has #1 positions in google for pretty competitive keywords and those domains are on servers that have literally hundreds of domains on the same IP.