Looking for an idea for a track for automated blackout roller shades (pics within)

I have a large bedroom with 5 enormous windows on one side of the room, giving us spectacular natural light. The problem is, I'm a fan of sleeping in and starting in Spring that's not possible due to the influx of morning light. So I had an idea to install light-blocking, motorized roller blinds. Further, I knew a very talented career carpenter that found my idea of a crown molding to hide these blinds amusing so he helped me create this neat solution:

[ATTACH type="full"...

Looking for an idea for a track for automated blackout roller shades (pics within)