You say you want to be able to "see" both databases - see them where?
As for "trusted authentication", SQL Server has two authentication modes. Windows Authentication (where you login to SQL Server based on your Windows account) -and- Mixed Mode Authentication (which allows both Windows login, and the creation of SQL Server only logins).
If you are getting the "not associated with a trusted connection" error, then SQL Server is running in Windows authentication mode. You need to grant permission for your Windows account to login to SQL Server.
Cheers
Ken
www.adOpenStatic.com