Install crown moldings with loctite super glue. It will be necessary to cut the crown into pieces to allow the LED light bead to illuminate the room. For the sides, I glued the crown in front of the LED light beads. But this method allows less illumination. Always start at the back and work towards front when installing any trim work.
I'm a maker and a thinker. I live in a magical world inside my head. To some, I am an artist. I am surely creative. And my creations change as quickly as my mood - so you never know what you're going to get.