On a 1 on 1 basis it is time consuming and hard work. The idea was (is) to try and create interesting games that everyone can think about.
But many people offer help and advice on a variety of openings, middle games and endings so you just need to read through the threads. There is a lot of good advice here.
At the end of the day there is no substitute for hard work and that is something I often skimp on myself and lose because of it.
Edit: Also a lot of clans will help their members but remember it takes time and there are no instant solutions to improvement.