Hmm more guesses here coz im a newbie but can you even ping your samba server?
Did you set up the:
smbpasswd -a (user)
How many intertfaces are on the samba server that connects to your network?
Is the smb.conf file exactly the same as the one in the laptop?
type this at the command prompt:
A helpful read
Ah well thats it from me for now-and i've never used SWAT before. ???