Even the playing the TIFF frames using a default Windows Preview player, it also displays the colour, flickering artefact.
Even more puzzling, it occurs during frame transition to the next frame. So it is not visible on the frame image (they looks fine), but when I click "next image", the artefact is visible for a split second, and then the next frame is displayed and it looks fine again.
I thought about it some more and decided to try the clips on a different computer. It turns out that the clips play and look fine on two different computers (not including changes in gamma!)
My main computer seems to be creating artefacts during a frame transition which is probably due memory issues, display drivers, using direct X7.
Will have to look into this more..
At least it works....
I'm glad that it's working for you on the other computers and that you've isolated the issue.