Most of us aren't talented enough to create full-sized murals without going down the Pro Hart food-tossing route. If you'd prefer something a little less avant-garde, try using a projector to trace a Louvre-worthy masterpiece on your wall -- no artistic skills required!
To create your stylish black-and-white mural, you'll need two paintbrushes (2mm and 12mm), a paint roller, a bucket of black paint and a projector. Simply project your favourite image onto the intended wall and start tracing/painting.
The trick is to simplify the image by converting it into an inkscape vector prior to projection. This can be achieved via free open source software found here.
It also helps to switch to a negative image so you don't accidentally trace natural shadows (i.e. -- it's easier to paint over everything that's white.) Naturally, it's important to make sure the image is properly aligned or you'll end up with a slanted painting that you can never straighten. You can find detailed instructions in the link below.
[Via Meta Picture]