...
go to automator (in applications folder)
select application on the menu that comes up
on the left sidebar go to files and folders
select get specified servers and drag to the right side
on that bubble click add and add the server you want auto mounted
on the left drag over connect to server
save that whereever you want (application folder, utilities folder, whatever)
go to system preferances
click accounts
click login items
click the +
select your application you just saved
log back in and it will auto mount