Hi, welcome to Smashboards
. As MrMarbles said you need to be more specific about what you need help with. Simply because we have no idea of your level and there's no point in providing tips that don't suit your current level. Furthermore there's already a
Fox discussion thread, so if you have questions you can ask here directly. If you have more general questions, there is the
Ask a Question thread. If you want to show us videos, you can create a thread in the
Video section and we'll answer there. That's probably your best bet if you want relevant criticism as it's the quickest way for us to roughly assess your level. You can also read the
Smash Index if you want to learn a few general things about the game at its competitive level and it links to other useful threads.