In future perhaps a little time on Google would be better... Nevertheless - I will help as best I can.
I too am new to BT4, and am unable to help you with the slow beacon count - but I will be interested to find out the answer.
How close are you to the AP?
A guide on how to 'assess wep security' (NOT hack) Newbie Guide:- How to crack a WEP key, step by step. By another newbie. - Remote Exploit Forums