How to get internet from wifi and share to LAN device

You need to create a wireless bridge, most home routers won't have that option without a custom firmware, but i believe a few d-links I've had have actually had that option and is actually how i have my HTPC, tv and PS3 connected to my home network at home, using a cheap linksys router that has ddwrt on it it

If you need something temporary you can use a laptop to create a bridge from your wireless to your wired NIC without using any extra software, here's a guide that has some info on it from technet.

DD-WRT is a custom firmware that would be able to get the job done with any compatible wireless router.

You can find the Router database for it here, your current dlink isn't supported how ever.