I just threw together some screens, I have found in the mirrors edge forum (Here).
They have been originally posted by tylermorrison on http://on-mirrors-edge.com
Pics are sized for 1680x1050 screens.
(Don't know if it works on ther machines, but we will see

• MirrorsEdge_1680-1050_red.themepack

I have them for orange and green, too. But you just have to change the color setting in the designs options, so I will not upload them here.