The first step of making your pokemon shiny is this:

first get the pokemon you want to make shiny out of your PC. if its al ruddy in your team ya your fine. now put all the other pokemon in your PC and keep the pokemon withch is going to be shiny in your team. then save your game. turn your game system on and off for about 200-250 times. i know it will hurt your fingers when your finished but you will also be very happy!!! trust me thats how i got my treecko to be shiny then turn into a grovyle. i hope you enjoy your shiny pokemon!!!
now,

Enjoy!!!