Welcome to wiichat, enjoy your stay. Before you start posting you should check out the 'user cp' which is situated near the top of the page, take a few minutes to fill in your profile and tweak the options to your liking. Add an avatar and a sig and you will be ready to go! Need more help? PM if you wish or any other member who you think could help,
P.s - seeing as you like pokemon, there is a dedicated pokemon 'diamond/pearl' sub-forum situated in the Nintendo gaming forum. Have fun.
- Also, don't forget to use the handy search bar to your right before creating a thread