Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Hmm. Can you possibly show me a snapshot of your Pandora's Box? It's kind of hard to tell if you're doing some wrong just by asking questions, but maybe I can find a mistake more easily with a picture.
You have to use the parameters for your DS. And I don't teach you how to do that in my guide because it's a totally separate thing, so you'll have to do that before you can use my guide :)