I've often been critical of the arguments made by
It's only fair that I point you to a rebuttal of this point of view by none other than Casey Luskin [Misrepresenting the Definition of Intelligent Design].
Scott Minnich and Stephen Meyer also explain the positive argument for design:Let's see if I've got this right. We know about lots of irreducibly complex systems, such as the Krebs cycle and the bacterial flagella, that could easily have arisen by evolution. Nevertheless, according to the IDiots, we have to conclude that all such systems can only have been created by God.Molecular machines display a key signature or hallmark of design, namely, irreducible complexity. In all irreducibly complex systems in which the cause of the system is known by experience or observation, intelligent design or engineering played a role the origin of the system … in any other context we would immediately recognize such systems as the product of very intelligent engineering. Although some may argue this is a merely an argument from ignorance, we regard it as an inference to the best explanation, given what we know about the powers of intelligent as opposed to strictly natural or material causes. (“Genetic analysis of coordinate flagellar and type III regulatory circuits in pathogenic Bacteria,” in Proceedings of the Second International Conference on Design & Nature, Rhodes Greece (2004).)
That's what passes for a positive argument for Intelligent Design Creationism. I assume it's the best they've got.