Alright, firstly, the banner. It wasn't well done because I'm in a rush (night time here, mom asking me to sleep. Btw, time zone is SGT)
And for the tiles, did you know that the creator of Light Platinum had a website? here:
Click on resources and you can find his tiles. Remember to give credits. And also, you say you are used to RMXP? That means you can do hacking with RMXP? I'd like you to teach me some other days. Maybe tomorrow. What's your time zone?