You can use just about any solvent to thin based on preference.
The painting is a rectangle. Leonardo used artistic principles to enhance the piece, such as a triangular shape between objects and subject and atmospheric perspective.
Oil paint is paint with an oil base. It cannot be removed with water, only turpentine or paint thinner will get rid of it.
You will want to make sure the surface is etched, primed and a top coat applied prior to painting. If it's a really large surface, electrostatic painting is a really good way to get a smooth finish without drips or mess.
oil-based paint
Edvard Munch painted The Scream.
NO, the Scream movies are NOT based on true events. They are purely fictional.
Based partly on the real-life case of the Gainesville Ripper, Scream was inspired by Williamson's passion for horror films. This inspired Him to write scream after watching the arrest of the Gainesville ripper.
Painting?
"Scream" is a character from the horror movie franchise "Scream," and the identity of the person behind the mask changes throughout the series. The character's gender changes based on who is wearing the costume in each film.
calligraphy
The alien is based off of a painting by H.R. Giger called Necronom IV. The figure in the painting most closely resembles a human.
ddd
The Bible Book of Revelation, chapter 20.
The first oil based triptych
I believe the movie you are thinking of is Scream.
On the US dollar? George Washington, based on a painting of him by Gilbert Stuart