What Do You Put In The Toliet On A Boat I Want To Make A Picture Or A Painting Of A Flower For My Bathroom. Pretty Small Like Long And Narrow?

I want to make a picture or a painting of a flower for my bathroom. pretty small like long and narrow? - what do you put in the toliet on a boat

What do you think is best in the color of the water will be carried out so that you can put a glass frame or a canvas with a frame? It is a source of new single with a flower. I hang on the toliet and everything is empty. Other suggestions are welcome.