Sure! :3 Is there anything you'd like to know exactly? It's hard to say how things work in general since there would be so much to tell D: The most important thing to remember is to follow the forum rules (
http://www.pokecommunity.com/showthread.php?p=6446812) to avoid mistakes. Once you've understood those, go ahead and reply to some threads in the sections you're interested in!
So if you like the 4th gen, reply to some of the 4th generation threads in that section~