How do I decorate a bottle with clay paint and stones?

Hi Andrea, There are so many ideas to choose from so I am giving you a link that you can explore a lot of ideas at one time. We would love to see what you come up with.

https://www.google.com/search?q=diy+clay+on+wine+bottles&tbm=isch&tbo=u&source=univ&sa=X&ved=2ahUKEwjr16Px9ezeAhWqoYMKHagQBDIQsAR6BAgFEAE&biw=1366&bih=626

I had to do this in Art Class Many many (38) years ago...

You use the clay (or plaster paris) between stones alike mortar between bricks.

Basically your best bet is to buy a Cheap $3 Wooden Roller (for Dough) and use this to Roll out your Clay Mix Over the Stones, to a relatively thick Rectangle.

Of course you gotta wet it with a Spray Bottle to make it sticky.

You paint only the top and bottom of the bottle, [unless the genie inside will complain ]

Let it dry, lay the Rear Seam of the Bottle as Straight as you can at the Edge of the Clay/Stone Rectangle and Roll up the Bottle (like it was a Roller & you were making a Pie Dough), wrapping the clay around the bottle as a 2nd roller until the 3D Rectangle becomes a 3D Cylinder.

Stand it upright and smooth out any errors befor baking.

If you think the clay is brittle and needs to bake in a more humid bake, funnel cold water in the bottle to let it condensate some before baking.

When it is done condensating, Bake in a Kiln (or an old Toaster Oven devoted to Kiln Use) at 425° to 550°.

It is Easy Peasy once you do it.

This is also a Fine way to make Floating Terra Cotta Balls for Aquariums, ponds and other Terra Cotta items like candle holders and oil lamps except you use

I. Ancient Fire method

A. a Paper Cup (or for the Ball, a Crinkled up Paper)

B. Paraffin in a Sheet of Wax paper

And you set fire to the Paper when done through the Small Hole you make in it with a wooden Matchstick.

II. Modern Tweezer Method

C. A Loose ball of Foil Strips or Tinsel

This site has a ton of ideas that might give you some inspiration! 😊https://www.diyncrafts.com/14766/decor/26-epic-empty-wine-bottle-projects-dont-throw-them-out-repurpose-instead