Try chopchop and fragment attacks. There are different attack for different situations.
Try to get your xor file and then produce ARP packets from it using packetforge-ng.
After that you use...

Play around with ettercap. The whole packet sniffing area is very interesting for a beginner.
This is something that makes you realize just how important security is.

Is there a substitute for netstat that would display connections live (in real time).
To clear any missunderstandings: Netstat outputs the current state, but I want a tool, that will be displaying...

iwconfig <interface> key <WEP key>

What does "iwconfig" return?

First of all... disconnect and reconnect the card. Then try:
ifconfig wlan0 up
wconfig wlan0 essid WEPROUT

If this doesnt work then it might be a driver issue.