megatron in cybertronian tank form for revenge of the fallen (aka transformers movie 2)

Legit concept designs? Or fan-made?Either way, with the distinct possibility of director Michael Bay's prior mandate of "dis-information dissemination" for TRANSFORMERS: REVENGE OF THE FALLEN (aka Transformers 2), one has no choice but to chug an ounce of salt when it comes to TF-leaks nowadays - in particular this series of 4 images (found on both TFW2005 and LatinoReview] which frankly, were