OS X 10.5.6 and windows Workgroup

Hi All
Just purchased my 1st MAC book and need a little help!

I have a windows network workgroup all set up.

All pc's are running Vista Ultimate. From any of the windows Pc's I can access the Macbook folders and files no problem at all and the MAC book shows up in the network all ok

see here CARLSMAC is the one in question



BUT from the MAC book I can't see any of the Vista Pc's at all.
I have all folders shared and can share files from windows PC to windows PC but not to the MAC
Could someone give me a NEWBIE step by step on how to access my Vista PC’s from my MAC BOOK?

Thanks
Carl

I think the problem stems from NO WINS Servers ip?




How do I fix this?

Cheers

Carl