Help With New Capture Card Template

[castlec]

I'd like to help you guys support the Hauppauge HVR-2250.  I've never created a template so most of it is confusing.  I've looked at templates for other cards and I might be able to do some copy/paste creation but I need a resource that can help me with the details of creating a new template.  If there is some very detailed documentation that I am missing, please point me to it.  Otherwise, help me out and I'll create the detailed documentation

Any information is a step forward.

Chris