O/RM and templating

i have a problem. i'm sending text messages to people based on data in a table. but people being who they are, they want to change the message structure at will. and the structure is currently hardcoded. so if i want to make the structure dynamic, i need a template system. i also need to map specific table fields to those template variables, then make the template changeable at runtime. that requires O/RM, so i can map table fields (relational) to objects i create in my code, and all the SQL is generated on my behalf by the O/RM engine. so far, i'm going with ActiveRecord and NVelocity from the Castle Project. i've used NVelocity, so i hope i'll get the same level of success from ActiveRecord (so many dependencies though :)