Start here, and try and concentrate on one problem at a time.
Here are some searches you can try on Google and the forums to find out more information related to your questions:
- "crack WPA" or "crack WPA backtrack"
- "ppoe linux" or "ppoe backtrack"
- "<wireless_card_type> backtrack" or "<wireless_card_type> linux"
- "vmware backtrack wireless" or "virtual machine backtrack wireless"
Proper sentence structure and grammar also helps no end if you want people to be able to understand you.