Here you go Wotto . . .
First 3 pics were taken looking towards the rear of the cabinet.
Pic 4 is an overhead view showing distance the green filter is set from the light source.
The green filter simply intervenes between the light source (halogen) and the existing mirror.
There are no other mods necessary.
Pics of the green holographic image aren't done justice by my cheapo camera, so you will have to take my word that there is a marked improvement!
