First off, if you make your links clickable, you will have more people looking at them
Yes, they are definitely very yellow. The planes are supposed to be white, but are definitely too yellow. Not only that, in my opinion they are extremely oversharpened. Look at the cheatlines...they are more zigzaged than straight lines! I would start from the original ones again, as they look like they have potential! If you want, you can send me the original, and I can rework one of them, see what I come up with! My email is sebastianvermehren(at)gmail(dot)com.
I guess that's what happens in the end, you start thinking about the beginning.