Ah. Makes sense.
Biggest things to keep in mind is to not reference any DB other than master within the trigger, make sure that there are no permissions issues (I recommend the use of the EXECUTE AS clause) and check that DBs are online before calling procs that reference those DBs.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability