I forgot to mention: they are located under the "Supporting Files" section of the vCampus Download Center.
Today I exchanged a lot of posts with David Hollebeek concerning IDataProvider3.
I think, it would be very very helpful, if the IPD3 template would contain at least two columns and placeholders (if this changed regarding IDP and IDP2).
Allen Carson wrote in 2001 the useful White Paper "Creating a Custom Data Set". It deserves a little attention after all the years!