How do i make my submit on lead somewhere else? also... how can i make a storing database (provide dl's):)?

Hi, im an experianced coder in almost everything except for registration and databases... so if you could help me make a database and make my submit on lead to it... I would REALLY REALLY REALLY love it if you gave me links to anything ONLY if i need to download something, if not, write me a tutorial! THANKS!