I updated the WCP demo installer with a minor fix: I corrected every ship VDU image so that the game won't show up those pesky white lines besides them. You can download the updated WCP Demo installer here.
Here are before/after shots with corrected VDU ship images. Before:
on the previous point of feeding the missions into WCP proper, I can check the demo package and see how they were put together. It might be possible to do it as an Easter egg. Ib don't know if it could be added into the campaign without breaking the experience