A useful feature that allows you to use any data in your Deployment Server database in a script task is Custom Tokens. The syntax for a custom token is %#*"Your SQL Query Here"%. Here are some custom tokens that might come in handy.
will return the current date and time.
will return the name of the SQL Server.
%#*"SELECT g.name FROM computer c, computer_group g WHERE c.group_id = g.group_id AND c.computer_id = %ID%"%
will return the name of the group that this computer is a member of.