In LW go tools > options > bug reports > view example. Scroll down to 'recieved incoming this session'...is it true or false?
If you see the firewall icon (brick wall in front of the blue globe), people will have a hard time downloading from you!!
For more info on firewall issues, see this thread
Connection problems? Check here first!
Can we have your details please?
System details - help us to help you