Give me a few minutes - I'll find the drivers you need.
Really though, you should have gotten a 64bit Win7 disc instead of a 32bit disc. Your system won't be able to use more than 3.5GB of RAM, even if you have more installed.
Awesome! I'm finally connected to WiFi on my computer! The only ones that have exclamations are Ethernet Controller, PCI Simple Communications Controller and SM Bus Controller.