Okay. First, IG will --only-- export the finished ivy objects. You will have to manually re-import whichever model you had your ivy 'grow on', along with your ivy, into 3DMax. Second, you will have to manually point 3DMax to where the materials images are stored (they are usually inside the Ivy Gen 'Textures' sub-folder). Do this by, first un-grouping the three main objects of the ivy---trunk, old leaves, and new leaves. Select each in turn and find the required material, and apply. Third, for the two leaves groups, you will also have to make sure that the transparency settings are activated. The materials used have an alpha-mask picture associated with it to drive the transparency. Use that pic in whatever slot 3DMax uses for transparency. (Not having 3DSMax, I will leave that to another to specify...)

RosemaryR
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"This...this is magnificent!"
"Oh, yeah. Ooooo. Aaaaah. That's how it starts.
Then, later, there's ...running. And....screaming."