This question may be related to a resolved thread.
How do I specify multiple member groups to check if if they are logged in?
this produces errors -
{if logged_in_member_group == "1" OR logged_in_member_group == "5" OR logged_in_member_group == "6" OR logged_in_member_group == "7"}Welcome {username} {/if}
also is it possible to print their firstname ( am member field)rather than username?