I know the feeling, I installed it myself though rather then getting Sundaya or Alex do to it ( Sundaya was helpful though, and pointed out mistakes in the servers httpd.conf files ) - Its actually quite simple to do yourself.
As for the database, is this your own server your on... if it is you have admin access the person installing the script can probably do this for you
As for the database, is this your own server your on... if it is you have admin access the person installing the script can probably do this for you