I've tried in both 4 and 5, and the image is good on my computer. Are you sure the right PYD file is in the DLLs folder? Here's a directory snapshot of the proper file.... On the slowdown, I do see what you mean. Will try to solve it. Would you rather see the actual Aux yOrbit setting in the window, instead of the difference between Aux and Main?

My python page
My ShareCG freebies