Vintage flower window: I use stained glass scraps, and cut them with my glass cutter. Then I lay the pieces out on the window I then glue them down with silicone and wait 24 hours to dry. I use sanded grout, black is my grout color of choice,
Outdoor chalk board: Birch plywood, primed on both sides then coat one side with chalkboard paint un-sanded grout + 1 quart any color paint}. Hang on fence with galvanized wood screws. AWESOME outdoor fun for the kids!
How to Change the Color of Non-Sanded Grout Once It Is Installed