i just cant get any shadows with with vraymtlwrapper, i got the tick in shadow and affect alpha, and alpha contribution to 0(what is the differnece between 1,0, and -1 anyway?)....std mtl in the wrapper.....i asign it to a plane to imitate the effect on suurland's peuguot 307....i can do it without vray tho....but how can i do it with vray?>???

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