"..Within FTE guidelines" should do it. Another choice could be:

ºKeep Ford threads on topic; Chatter threads have fun.

Everyone here ought to know by now what posts are Ok in a public, family forum. If ya' don't then read the rules or take off.

I'll use John's signature quote:
"Thinking is the hardest work there is, which is probably the reason why so few engage in it."-Henry Ford