Here's a good example of how to promote a specific subject.
http://www.x5world.com/lounge/43455-...ighlight=pinoy

Just name it "The official Diesel thread"

If there's enough interest it may survive on it's own.

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People pay for what they do, and still more for what they have allowed themselves to become. And they pay for it very simply; by the lives they lead.
James A. Baldwin