You can fix this (acceptably) by turning on full vram primitives... I think, don't quote me on it, but it's definitely one of the options in the plug-in config - press del in game and use page up and page down to select the options, home and end to turn them on and off. Do this in turn until it works! Although don't bother with the first two as they are just frame rate stuff. Sorry I can't be more precise, it's been a while.