Download SMBFS from aminet: http://aminet.net/search.php?query=smbfs-68k
and copy smbfs to e.g. C:
I have a separate script file that I launch when needed:

smbfs user=**** workgroup=YOURWORKGROUP service=//SERVER/share/ password=******* VOLUME=VOLUMENAME:

If you want to have the share accessible always, you can have the script file in your wbstartup drawer.